cry wolf

call for help when it is not needed, with the effect that one is not believed when one really does need help

喊“狼來了”；發假警報

hold (或 have) a wolf by the ears

be in a precarious position

處于危急狀況

keep the wolf from the door

have enough money to avert hunger or starvation (used hyperbolically)

（夸張地）免于窮困；免于挨餓

I work part-time to pay the mortgage and keep the wolf from the door.

我做兼職是為了償還購房抵押貸款，還有免于挨餓。

throw someone to the wolves

leave someone to be roughly treated or criticized without trying to help or defend them

棄某人于危險（或困境）而不顧

a wolf in sheep's clothing

a person or thing that appears friendly or harmless but is really hostile

披著羊皮的狼，偽裝友善的敵人

keep the wolf from the door&I{【俚語】}

To avoid the privation and suffering resulting from a lack of money

免于窮困：為避免窮困和由于缺錢而造成的痛苦

Both spouses had to take jobs in order to keep the wolf from the door.

為避免受饑寒之苦，夫妻倆不得不雙雙工作

wolf at the door

Creditors or a creditor.

債權人

wolf in sheep's clothing

One who feigns congeniality while actually holding malevolent intentions.

披著羊皮的狼：假裝意氣相投但實際上懷著惡毒意圖的人