蚍蜉撼大树, 可笑不自量.A tiny insect , trying to shake a mighty tree, is ludicrously ignorant of its own weakness.不自量者被人量.He that measures not himself is measured....

“不自量”的拼音为：bù zì liàng...

“不自量”的英语可以翻译为：not take a proper measure of oneself，overrate one's own abilities，do sth. beyond one's ability or strength，overconfident ...