動詞 act on:

1. carry further or advance
   同義詞：pursue, follow up on
2. regulate one's behavior in accordance with certain information, ideas, or advice

1. The legal guardian must act on behalf of the child.
   法定監(jiān)護人應該維護這個孩子的利益。
2. A drug that acts on the liver.
   保肝藥可作用于肝的藥劑
3. This medicine acts on the heart.
   這藥對心臟有效。
4. My idea is that we shall act on his suggestion.
   我的意見是我們應當按照他的建議去辦。