if an activity or situation involves something, that thing is part of it or a result of it

包含; 需要:

What will the job involve?

这份工作包括什么？

I didn't realize putting on a play involved so much work.

我没想到上演一部戏剧需要做这么多的工作。

Running your own business usually involves working long hours.

自己经营企业通常要长时间工作。

to include or affect someone or something

涉及; 影响:

These changes will involve everyone on the staff.

这些变化将影响每一位职员。

There have been four accidents involving Forest Service planes.

美国林务局已出了四次飞机事故了。

to ask or allow someone to take part in something

〔邀请或允许某人〕参与:

Try to involve as many children as possible in the game.

尽量让多一些孩子参与游戏。

We want to involve the workforce at all stages of the decision-making process.

我们希望在决策过程中的各个阶段都有职工参与。

involve yourself, to take part actively in a particular activity

积极参与:

Reilly involves himself in every aspect of his company's business.

赖利积极参与公司经营的各项业务。