1. 同earthquake
    A quake is the same as an earthquake .

    e.g. The quake destroyed mud buildings in many remote villages.
           这次地震摧毁了许多偏远乡村的土坯房。

2. (通常指因恐惧)发抖，颤抖，哆嗦
    If you quake, you shake, usually because you are very afraid.

quake

    e.g. I just stood there quaking with fear...
           我只是站在那儿，吓得直哆嗦。
    e.g. Her shoulders quaked.
           她的双肩瑟瑟发抖。

3. 十分紧张;非常害怕；吓得发抖
    If you are quaking in your boots or quaking in your shoes, you feel very nervous or afraid, and may be feeling slightly weak as a result.

    e.g. If you stand up straight you'll give an impression of self-confidence even if you're quaking in your boots.
           要是你站得笔挺，就算实际上怕得要命，你都会给人留下非常自信的印象。