全军覆没

zhè yī zhàng dì yī shī quán jūn fù mò le

这一仗第一师全军覆没了。

The First Division was practically wiped out in the battle.

bù yào gū zhù yī zhì bì miǎn fā shēng zāi huò shí quán jūn fù mò

不要孤注一掷，避免发生灾祸时，全军覆没。

Don't put all your eggs in one basket. Then everything won't be lost if there is a catastrophe.

zài zhè cì zhàn yì zhōng tā men quán jūn fù mò

在这次战役中他们全军覆没。

They were wiped out in this battle.