insupportable
adj. 不能忍受的;忍耐不住的
例句
The thought was somehow insupportable.
这种想法在某种程度上不能让人接受。
《柯林斯英汉双解大词典》
Too much spending on rearmament would place an insupportable burden on the nation's productive capacity.
过于庞大的重整军备开支会给国家的生产力带来难以承受的负担。
Now the King's joy was nearly insupportable.
现在国王的喜悦几乎叫他无法忍受。