be climbing the walls

(informal)feel frustrated, helpless, and trapped

(非正式)感到无能为力

his job soon had him climbing the walls.

他的工作很快使他感到无能为力。

have a mountain to climb

be facing a very difficult task

面临挑战

climb down

withdraw from a position taken up in argument or negotiation

（争执、谈判中）退让，让步，屈服

he was forced to climb down over the central package in the bill.

他被迫在议案的中心一揽子提议上作出让步。