act on

v.对…起作用, 按照…行事

例句与用法：

The legal guardian must act on behalf of the child.

法定监护人应该维护这个孩子的利益。

A drug that acts on the liver.

保肝药可作用于肝的药剂

This medicine acts on the heart.

这药对心脏有效。

My idea is that we shall act on his suggestion.

我的意见是我们应当按照他的建议去办。

详细释义：

1. 对……起作用

These medical herbs are said to act on the heart.

据说这些药草对心脏起作用。

2. 按照……行事

Acting on my recommendation, he has decided to read the novel once more.

按照我的劝告, 他决定把这本小说再读一遍。