英语中关于狼的俗语包括：

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。

He sets the fox to keep the geese.

引狼入室。

The wolf at the door.

比喻家庭面临的财政问题。

keep the wolf from the door.

拒狼门外。（也可翻译成“免于挨饿，勉强度日”）

He that makes himself a sheep.

自找苦头。

A thief knows a thief as a wolf knows a wolf.

贼了解贼，正如狼了解狼。

It is a foolish sheep that makes the wolf his confessor.

蠢羊才向狼忏悔。

have [hold] a wolf by ears.

骑虎难下。

have a wolf in the stomach.

饿极了。

cry wolf.

喊“狼来了”，发假警报。

eat like a wolf.

贪婪地吃，狼吞虎咽。

这些俗语在英语中广泛使用，形象地表达了各种情境和道理。希望这些信息对你有所帮助。