(as)greedy as a wolf (非常贪婪， 贪得无厌)

cry wolf (喊“狼来了”， 发假警报)

eat like a wolf (贪婪地吃， 狼吞虎咽)

have a wolf by ears (骑虎难下)

have a wolf in the stomach (饿极了 )

He sets the fox to keep the geese. 引狼入室。

When the fox preaches， take care of your geese. 黄鼠狼给鸡拜年，没安好心。

the wolf at the door 比喻家庭面临的财政问题。

He holds a wolf by the ears. 拧狼耳，即骑虎难下。

The wolf may lose his teeth，but never his nature.狼的牙齿会掉，本性却改不了。

The death of wolves is the safety of the sheep.(狼死羊安)

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a lone wolf (不喜欢与人来往的人， 喜欢独居的人; 独自作案的罪犯 )

wolf-call (色鬼调戏妇女时的怪叫 wolffish )

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Don’t trust a goat with the kitchen-garden，or a wolf with sheepfold. 不能请羊管菜园，不能请狼管羊圈。

Who keeps company with wolves， will learn to howl. 和狼在一起，就会学狼叫。

Man is a wolf to man. 人对人是狼。(人心狠，人吃人)

A growing youth has a wolf in his belly. 年轻人，在成长，吃起饭来像饿狼。

A wolf in sheep’s clothing 匹着羊皮的狼。

The wolf may lose his teeth，but never his nature.(狼的牙齿会掉，本性却改不了。)

wolf in sheep’s clothing (披着羊皮的狼 )

cry wolf (虚张声势;报谎喊“狼来了” )

One must howl with the wolves. (跟狼在一起， 就得学狼叫; 入乡随俗。)

sea wolf (狼; 任何贪食的大海鱼。海盗; 私掠船。潜艇。)

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seea wolf (张口结舌， 说不出话来。)

set the wolf to keep the sheep (叫狼看守羊; 引狼入室。)

the big bad wolf (令人恐怖的人或物。)

throw to the wolves (送入虎口; 置...于险境)

wake a sleeping wolf (自找麻烦)

He who keeps company with a wolf will learn to howl. (跟狼在一起， 就会学狼叫; 近墨者黑。)