江郎才尽的英文：
[Literal Meaning]
Mr. Jiang/talent/exhausted
Mr. Jiang's talent is exhausted.

[解释]
一个人的才华完全丧失了。

[Explanation]
One's inspiration has dried up; to have used up one's literary talent or energy

[例子]
经过十年的诗歌创作，他觉得自己已经江郎才尽，所以就停止了。

[Example]
After ten years' poet career, he felt that his inspiration had dried up and stopped writing poems.