密谋策划

例句：

1. 1.They've been plotting this for months.
   他们几个月来一直在策划这件事。
2. 2.The plot was too clever to be caught by the police.
   这个阴谋太巧妙了，警察没能抓到。
3. 3. He's always plotting against his boss.
   他总是在策划反对他的老板。