1.look into 调查；观察；窥视

He looked into the box to see if the tool was there.
他朝箱子里看，看看工具是否在里面。

The police are looking into the pearl robbery.
警方正在调查这起珠宝抢劫案。

2.hope to 希望

That’s what I hope to do.
这就是我希望要做的事情。

The police hope to identify the body by the gold fillings in the teeth.
警方希望通过死者牙齿里的黄金填充物来辨认其身份。
3.promise to 许诺

She broke her promise to me.
她没有承担对我的许诺。

I only honoured my promise to your father.
我只不过完成了我对你父亲的承诺。
4.call for 要求；需要；提倡

He sat down and called for some beer.
他坐下来要了一些啤酒。

The crew of the ship are calling for a raise in pay.
这艘轮船上的全体船员正在要求增加工资。