adj.无法忍受的,不能忍耐的,不能持久的;不堪;
例句:
He had not expected the pain to be unendurable.
他没料到会如此疼痛难忍。
For you, they are unendurable.
对你来说, 老鼠无法忍受.
unendurable pain
难以忍受的痛苦