be rid of
除掉,摆脱make free of
He has gone, and I'm glad to be rid of him.他走了,而我很高兴摆脱了他。
She is rid of fever.她不发烧了。

get rid of
除掉,去掉free oneself from sth unwanted
▲get rid of sb/sth
It is difficult to get rid of insects.除掉虫子可不容易。
How to get rid of these things is a big problem.如何清除这些东西是个大问题。

用作及物动词
▲S+～+n./pron.
They swore that they would rid the country of its military rulers.他们发誓要为国家除掉军事统治者。
It is not easy to rid oneself of a bad habit.要改掉坏习惯并不容易。

［同义词］   erase, remove
［词源］＜中古英语ridden(清除)