to be unable to bear

• 痛得吃不消

  unable to stand the pain

• 累得吃不消

  exhausted

• 身体吃不消

  unable to cope physically

• 吵闹得真叫人吃不消。

  The noise is unbearable.

• 我们年纪大了，总这样步行是吃不消的。

  Now we're old, even walking is a struggle.

• 这文章写得又长又难懂，真让看的人吃不消。

  This article is long and difficult to grasp; it's a real pain to read.