英汉词典

1. 羔羊；羊羔；小羊
    A lamb is a young sheep.

2. （对年幼者慈爱或怜悯的称呼）宝贝，乖乖
    People sometimes use lamb when they are addressing or referring to someone who they are fond of and who is young, gentle, or unfortunate.

lamb的反义词

    e.g. She came and put her arms around me. 'You poor lamb. What's wrong?'
           她走过来搂着我。“可怜的宝贝，出什么事儿啦？”

3. 温顺地；听话地；任人宰割地
    If you say that people do something like lambs or like lambs to the slaughter, you mean that they do what someone wants them to do without complaining or fighting.

    e.g. The pair surrendered to him like lambs...
           那两个人乖乖地向他投降。
    e.g. We follow their every word like lambs to the slaughter.
           我们对他们完全言听计从。

4. mutton dressed as lamb -> see mutton