泄气

HSK 7-9

xièqì

to lose heart; to lose courage; (lit.) to let out air

to be discouraged; to despair; (disparaging) pathetic; to vent one's anger; (of a tire) to be flat

他泄气了，不再想继续努力。

Tā xièqì le, bù zài xiǎng jìnconti lìlì.

He lost his enthusiasm and no longer wanted to continue making efforts.

这个计划泄气了，大家都失去了信心。

Zhège huànzhuàng léiqì le, dàjiā dōu shīqìle xìnghái.

The plan lost its momentum, and everyone lost confidence.