vain
US /veɪn/
UK /veɪn/
1.
自負的, 徒勞的
having or showing an excessively high opinion of one's appearance, abilities, or worth
:
•
She is so vain that she spends hours looking at herself in the mirror.
她太自負了，花好幾個小時照鏡子。
•
His vain attempts to impress her failed.
他徒勞的努力未能打動她。
2.
徒勞的, 無用的
producing no result; useless
:
•
All their efforts were in vain.
他們所有的努力都白費了。
•
It was a vain attempt to escape.
那是一次徒勞的逃跑嘗試。