It's time to get rid of [=throw away] our old computer and buy a new one.是时候该把我们的旧电脑处理掉，买台新的了。

I got rid of some old furniture by selling/giving it to my nephew.我处理掉了一些旧家具，把它们卖/送给了我的外甥。

I've tried everything to get rid of this cold, but it just won't go away.我想尽一切办法想把这次感冒治好，可它就是好不了。

He kept talking and talking. She finally got rid of him [=she finally got him to leave] by saying she had to make dinner.他不停地说呀说。她说她得做饭了才终于把他打发走。