狼群在月光下嚎叫。

A pack of ___wolves howls at the moon.

晚上我们听到远处传来狼的嚎叫声。

At night we heard the howling of ___wolves in the distance.

在商界中，你必须提防那些专门捕食经验不足者的狼。

In business, you must beware of the ___wolves who prey on the inexperienced.