[ɪn'vɒlv]

1. VT 包含，需要

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

• 管理厨房讲究纪律和速度。
  Running a kitchen involves lots of discipline and speed.
• 这项工作包括什么？
  What will the job involve?
• 我没有想到演一出剧需要做这么多的工作。
  I didn't realize putting on a play involved so much work.
• 经营自己的企业往往要经常加班
  Running your own business usually involves working long hours.

2. VT 涉及

if a situation or an activity involves someone,they are taking part in it.

• 如果有掩盖事实的行为，那就牵扯到了政府最高层的那些人。
  If there was a cover-up,it involved people at the very highest levels of government.
• 这些变化将影响每一位员工。
  These changes will involve everyone on the staff.

3. VT 要求 [允许]参与

• 我们希望让职员全程参与决策
  We want to involve the workforce at all stages of decision-making process.
• 尽量让多一些孩子参与游戏。
  Try to involve as many children as possible in the games.

4. involve oneself in sth 积极参与，使卷入 [根据上下文推断是积极的还是消极的]

• 我似乎已经将自己卷入了我不了解的事情当中。
  I seem to have involved myself in something that I don't understand.
• 赖利积极参与公司经营的各项业务。
  Relly involves himself in every aspect of his company's business.