I"m at my wit"s end.我已經無能無力了（心勞日拙，束手無策）。片語：at one"s wit"s end 心勞日拙，黔驢技窮，不知所措雙語例句：
1. He was at wit"s end with his troublesome younger brother.他最後對他那個麻煩的弟弟也無法可想。
2. When the dawn arrives, you are basically at wit"s end, smiled: " Take its course. "當凌晨到來時， 你基本無計可施， 笑笑說： 順其自然吧。
3. I was at my wit"s end to find the money to pay the rent.我沒有辦法掙錢來付租金。
4. We row a lot and we never have time on our own. I"m at my wit"s end.我們經常爭吵，從無在一起的時間，我真是沒有辦法了。
5. I am at my wit"s end now.我現在束手無策。
I"m at my wit"s end.我已經無能無力了（心勞日拙，束手無策）。片語：at one"s wit"s end 心勞日拙，黔驢技窮，不知所措雙語例句：
1. He was at wit"s end with his troublesome younger brother.他最後對他那個麻煩的弟弟也無法可想。
2. When the dawn arrives, you are basically at wit"s end, smiled: " Take its course. "當凌晨到來時， 你基本無計可施， 笑笑說： 順其自然吧。
3. I was at my wit"s end to find the money to pay the rent.我沒有辦法掙錢來付租金。
4. We row a lot and we never have time on our own. I"m at my wit"s end.我們經常爭吵，從無在一起的時間，我真是沒有辦法了。
5. I am at my wit"s end now.我現在束手無策。