unsufferable解释为： 难以忍受的, 不可容忍的, 难堪的
unsufferable详细解释
adj. 难以忍受的, 不可容忍的, 难堪的
例句与用法：
He had proposed marriage, unsuccessfully, twice already.
他已经两次求婚，均未成功。
I tried, albeit unsuccessfully, to contact him.
尽管未与他联系上，可是我已尽力而为了。
词形变化：
副词: unsuccessfully |名词: unsuccess-fulness |
