unendurable /ˌʌnɪnˈdjʊrəbəl/

• 1. 

  ADJ If you describe a bad situation as unendurable, you mean that it is so extremely unpleasant that you have to end it. 无法忍受的 [正式]

  例：

  Isaac had found the work unendurable and walked out of the job.

  艾萨克觉得这份工作无法忍受就辞职了。