vain
翻譯
虛榮的, 自負的, 徒勞的, 無效的
例句
He is very vain about his appearance.
他非常注重自己的外表。
It was a vain attempt to change her mind.
想改變她的想法是徒勞的。
All our efforts were in vain.
我們所有的努力都白費了。
文法模式
to be vain about ((sth.)) 對（某事）感到虛榮 He is vain about his looks.
in vain 徒勞地 All their work was in vain.
近義詞
同義詞: (自負的) conceited, narcissistic; (徒勞的) futile, useless; 反義詞: (自負的) modest, humble
詞源
源自拉丁語「vanus」，意為「空的」或「虛無的」。
記憶技巧
想像一個「虛榮的(vain)」人「徒勞地(in vain)」照鏡子。這兩個意思都與「空虛」有關。