黔驴技穷的英文：
[Literal Meaning]
Guizhou/donkey/skill/exhausted
The donkey in Guizhou has exposed all its skills.

[解释]
形容有限的一点本领也已经用完了。

[Explanation]
All tricks have been exhausted.

[例子]
敌人看到拷打和利诱没有能让这个战士说一个字，也黔驴技穷了。

[Example]
When the enemy saw that both torture and luring failed in letting the soldier say a word, their tricks have been exhausted.

At one's wits end;one who has exposed his limited ability
黔驴技穷

They were at their wits’ end.
他们已黔驴技穷。