伺机 sìjī HSK7 wait for opportunity Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 他在星期六的晚上伺机作案。 tā zài Xīngqīliù de wǎnshang sìjī zuò'àn. He waited for an opportunity to commit a crime on Saturday night. Source: Dong Chinese Dictionary