H-25：have one's back to the wall 陷入绝境
A:Quite a few times, I had my back to the wall.
A:有好几次，我都陷入了绝境。
B:Really? Generally they'll turn out to be a good thing.
B:真的吗？通常结果证明都是好事。
A:That's right.
A:不错。
B:You'll exert all your energy and get out of it.
B：你会施展出全部能力，摆脱绝境。
