knows
v. 知道（know的第三人称单数形式）；
例句：
She knows a bargain when she sees one.
她一看就知道有没有便宜可捡。
相关介绍
He knows the wheels of administration turn slowly.
他知道行政机构运作缓慢。
She knows exactly how to tug at readers' heartstrings.
她十分了解如何拨动读者的心弦。
I'll wager that she knows more about it than she's saying.
我敢打赌，她知道的比她说的要多。
As a politician, he knows how to manipulate public opinion.
身为一位政客，他知道如何左右公众舆论。
She knows how much this upsets me but she persists in doing it.
她知道这让我有多烦，但她还是坚持这么做。
Everyone knows she sleeps with the boss.
人人知道她跟老板睡觉。
