adj.不能忍受的；無法承受的；忍耐不住的；不合理的

I can't hold with him, he's insupportable. 我不能容忍他，他簡(jiǎn)直使人受不了。

The heat of this summer is really insupportable. 今年夏天的酷暑實(shí)在令人無法忍受。

Their debt had become an insupportable burden. 他們的債務(wù)已成了無法承受的負(fù)擔(dān)。