1. have the (an) advantage over (of) 優于，比……占有優勢。如：

He has an advantage over me for he knows some French. 由于他懂點法語，所以比我的條件有利。

You have the advantage over (of) me in experience. 你經驗比我豐富。

有時用動詞 gain, get 等。如：

They gained an advantage over the enemy. 他們比敵人占優勢。

2. take advantage of

(1) 利用(機會、時機等)。如：

They took advantage of the fine weather to play tennis. 他們利用好天氣去打了網球。

(2) 利用(某人的處境、弱點等)。如：

He always took full advantage of the mistakes made by his rivals. 他總是充分利用對手所犯的錯誤。

(3) 欺騙(某人)，捉弄(某人)，占(某人的)便宜。如：

He has always been taking advantage of me. 他老是在占我的便宜。

3. to sb’s advantage對某人有利。如：

The present world situation is to our advantage. 目前的世界形勢對我們有利。

It will be to your advantage to study abroad. 出國學習將對你有利。