1 sentence for 乘机 (chéng​jī — seize opportunity)

1. 他乘机向老板提出了加薪的要求。

   tā chéng​jī xiàng lǎo​bǎn tí​chū le jiā​xīn de yāo​qiú.

   He took the opportunity to ask his boss for a raise.

   Source: Dong Chinese Dictionary