自食其言

wǒ jué bù zì shí qí yán

我绝不自食其言。

I'll do what I say and never go back on my word.

xī tè lè bù jiǔ jiù zì shí qí yán xiàng bō lán jìn gōng

希特勒不久就自食其言，向波兰进攻。

Hilter soon went back on his word and attacked poland.

tā luàn xǔ nuò què yòu hěn kuài jiù zì shí qí yán

他乱许诺，却又很快就自食其言。

He always makes easy promises but quickly goes back on his word.

wǒ bù dé bù zì shí qí yán le

我不得不自食其言了。

I have to break my promise.