Definition
To have exhausted all of one's power, ability, or energy, leaving one unable to do more.
强弩之末
She put a lot of effort into the project at the beginning, but now seems to have shot her bolt.
她一开始在项目上投入了很多精力，但现在似乎已经耗尽了所有力量。
The runner started the race very fast, but clearly had shot his bolt by the second half.
这位跑者在比赛开始时跑得很快，但显然在后半段已经耗尽了体力。
After hours of intense debate, both sides had shot their bolt and were unable to reach an agreement.
经过几个小时的激烈辩论，双方都已筋疲力尽，无法达成协议。