江郎才尽

nà wèi zhù míng zuò jiā wǎn nián jiāng láng cái jìn méi yǒu hǎo zuò pǐn wèn shì

那位著名作家晚年江郎才尽，没有好作品问世。

The renowned writer did not publish any quality works in his later years as his creative powers had dried up.

tā wèi le zuò wén zuò yè kǔ sī míng xiǎng yǐ dào le jiāng láng cái jìn de dì bù

她为了作文作业苦思冥想，已到了江郎才尽的地步。

She had been at her wit's end trying to think up an idea for her composition assignment.