Terms containing deep down

Subject	English	Spanish
gen.	deep down he harbours a terrible grudge	guarda en su pecho un gran rencor
gen.	deep down inside he was really sorry	por dentro estaba arrepentido
gen.	deep down he's very gentle	en el fondo es muy tierno
gen.	deep down I was sorry	en mi interior estaba arrepentida
industr., construct., met.	floater that extends deep down into the glass	sonda
industr., construct., met.	floater that extends deep down into the glass	testigo de profundidad
industr., construct., met.	floater that extends deep down into the glass	flotador lastrado