rid
/rɪd/verb
(ridding; past and past participle rid 或 archaic <古> ridded) with obj.(rid someone/thing of)
1- make someone or something free of (a troublesome or unwanted person or thing)使摆脱（讨厌的人, 麻烦的事）, 从…清除（讨厌的人, 麻烦的事）：
we now have the greatest chance ever to rid the world of nuclear weapons.
我们现在有消除世界上核武器的最好机遇。
1.1
be rid of
be freed or relieved from摆脱掉; 免去…的负担：she couldn't wait to be rid of us.
她急不可待地要摆脱我们。
短语
be well rid of
- be in a better state for having removed or disposed of (a troublesome or unwanted person or thing)因摆脱（或消除）（讨厌的人, 麻烦的事）而情况转好。
get rid of
- take action so as to be free of (a troublesome or unwanted person or thing)除掉, 摆脱（讨厌的人或麻烦的事）。
词源
Middle English: from Old Norse rythja. The original sense 'to clear' described clearing land of trees and undergrowth; this gave rise to 'free from rubbish or encumbrances', later becoming generalized.