 |
| |||
| hairy problem; knotty problem; convoluted problem (Wakeful dormouse) | |||
| knotty question | |||
| tricky problem | |||
| |||
| obscure a problem | |||
| confuse an issue | |||
| запутанная проблема: 2 短语, 1 学科 |
| 一般 | 2 |
|
| |||
| hairy problem; knotty problem; convoluted problem (Wakeful dormouse) | |||
| knotty question | |||
| tricky problem | |||
| |||
| obscure a problem | |||
| confuse an issue | |||
| запутанная проблема: 2 短语, 1 学科 |
| 一般 | 2 |