动词短语
中文翻译：参与
同义词：
['be involved in', 'be a part of']
例句：
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1. They were all in on theplan to rob the bank.
他们全都参与了抢劫银行的计划。
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2. She was in onthe secret that her boss had been stealing from the company.
她参与了老板从公司偷窃的秘密。
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3. The new project isin on a big deal with the government.
新项目与政府有一笔大交易。