have/gain/win an advantage over

1. 胜过
   A man who can think will always have an advantage over others.

   能动脑子的人总是会胜过别人。

have the advantage of

1. 单方面认识（某人）
   You have the advantage of me, I don't remember ever to have had the honor.

   对不起，你认识我是单方面的，我不记得以前见过您。

take advantage of

1. 利用
   He took advantage of the good weather to go for a walk.

   他趁着天气好，出去散散步。

2. 欺骗；占……的便宜
   He has always been taking advantage of me.

   他老是占我的便宜。

• take advantage of
  
  1. make unfair use of for one's own benefit.
  2. dated seduce.
  3. make good use of the opportunities offered by.
• to advantage
  in a way which displays or uses the best aspects.