| Subject | English | Spanish |
| gen. | a difficult color to describe | un color indefinido |
| h.rghts.act., social.sc., UN | Children in Especially Difficult Circumstances | niños en circunstancias especialmente dificiles |
| life.sc., transp. | difficult area | área dificultosa |
| vet.med. | difficult calving | parto distócico |
| vet.med. | difficult calving | distocia |
| med. | difficult dentition | dentición difícil |
| pack. | difficult load | carga de difícil manejo |
| gen. | difficult to acquire | difícil de adquirir |
| tech. | difficult to counter | difíciles de combatir |
| gen. | difficult to explain | difícil de explicar |
| gen. | difficult to manage | gestionablemente difícil |
| law | difficult topography and climate | relieve y clima difíciles |
| polit. | difficult working conditions | condiciones difìciles de trabajo (hazardous work, trabajo peligroso) |
| polit. | difficult working conditions hazardous work | condiciones difìciles de trabajo (trabajo peligroso) |
| gen. | dystocia or difficult birth | distocia o dificultades en el |
| life.sc., coal. | exploitation carried out in seams with difficult strata | explotación realizada en venas con hastiales difíciles. |
| transp. | field of difficult access | pista dura |
| transp. | field of difficult access | pista compactada |
| gen. | he has a difficult future ahead of him | le espera un futuro difícil |
| gen. | he isn't daunted by difficult situations | no se arruga frente a las situaciones difíciles |
| gen. | he made things really difficult for me | me puso muchas trabas |
| gen. | he was put in a difficult position | le pusieron en un apuro |
| gen. | his work had become more difficult at the end of his judgeship | al final de su judicatura su trabajo se hizo más difícil |
| gen. | I find Basque very difficult | se me resiste el euskera |
| gen. | I find it difficult to speak German | me cuesta hablar alemán |
| gen. | I was appointed to a difficult post | me designaron para un puesto muy complicado |
| chem. | If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing. | Si respira con dificultad, transportar a la víctima al exterior y mantenerla en reposo en una posición confortable para respirar. |
| chem. | IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing. | EN CASO DE INHALACIÓN: Si respira con dificultad, transportar a la víctima al exterior y mantenerla en reposo en una posición confortable para respirar. |
| gen. | inventory of difficult-to-access nuclear materials | inventario de materiales nucleares difícilmente accesibles |
| gen. | It is difficult to adopt new customs | Es difícil adoptar nuevas costumbres |
| gen. | It is difficult to objectify the issues related to the feelings | Es difícil objetivar los asuntos que se refieren a los sentimientos |
| gen. | It is difficult to run a business in this country | Es complicado gestionar una empresa en este país |
| gen. | lately my life has been very difficult | últimamente ando muy aperreada |
| transp. | line with difficult alignment | línea de trazado difícil |
| transp. | line with difficult profile | línea de trazado difícil |
| gen. | live in difficult times | viva momentos difíciles |
| gen. | live in difficult times | vivir momentos difíciles |
| gen. | live in difficult times | vivo momentos difíciles |
| gen. | live in difficult times | vívido momentos difíciles |
| gen. | locating the airplane was very difficult | se hizo difícil la ubicación del avión |
| gen. | mooring the boats was more difficult than we had thought | el amarre de los barcos fue más difícil de lo que se preveía |
| gen. | she played a very high scale which was difficult to sing | tocó una escala muy alta, difícil de seguir con la voz |
| gov. | staff doing difficult work | agente encargado de tareas complejas |
| gen. | strengthening the bond between the two nations is a difficult task | el estrechamiento de las relaciones entre los dos pueblos es muy difícil |
| gen. | that is a very difficult task | eso es una tarea muy difícil |
| econ., fin. | the customer relations are difficult to mobilize | carácter poco movilizable de las relaciones de clientela |
| gen. | their behaviour was difficult to understand | tuvieron un comportamiento incomprensible |
| gen. | they made it difficult for me to get in | me pusieron problemas para entrar |
| gen. | they make it really difficult for you | te ponen muchas pegas |
| gen. | this theory is in itself difficult | esta teoría es de por sí difícil |
| gen. | to be difficult | ser de aúpa |
| gen. | to be very difficult | traérselas |
| gen. | to be very difficult | estar muy crudo |
| gen. | to find smth. very difficult | ver algo muy crudo |
| gen. | to find smth. very difficult | tener algo muy crudo |
| gen. | to give smb. a difficult time | llevar por la calle de la amargura |
| gen. | to give smb. a difficult time | traer por la calle de la amargura |
| gen. | to have a difficult time | pasarlo mal |
| gen. | to make life difficult for oneself | complicarse la vida |
| lab.law. | unemployed person difficult to place | parado difícilmente empleable |
| lab.law. | unemployed person difficult to place | desempleado de difícil contratación |
| law, lab.law. | work under difficult conditions | trabajo en condiciones difíciles |
| gen. | you're making it difficult for me | me pones en un compromiso |