たまりかねる

ichidan verb, intransitive verb

can't stand it any longer; unable to bear; can't put up with

Expresses reaching the limit of one's patience or endurance; often used when someone finally reacts after holding back. Typically followed by an action or outburst.

• 彼かれの失しつ礼れいな態たい度どにたまりかねて、つい怒ど鳴なってしまった。

  Unable to put up with his rude attitude any longer, I ended up yelling at him.

• 暑あつさにたまりかねて、エアコンをつけた。

  I couldn't stand the heat any more, so I turned on the air conditioner.