2 sentences for 禁不住 (jīn​bu​zhù — cannot help)

1. 听到这个好消息，她禁不住笑了起来。

   tīng​dào zhè​ge hǎo xiāo​xi, tā jīn​bu​zhù xiào le qi​lai.

   Upon hearing the good news, she couldn't help but laugh.

   Source: Dong Chinese Dictionary

2. 他禁不住美色的勾引，犯下了严重的错误。

   tā jīn​bu​zhù měi​sè de gōu​yǐn, fàn​xià le yán​zhòng de cuò​wù.

   He couldn't resist the temptation of beauty and made a serious mistake.

   Source: Dong Chinese Dictionary