vain

最高级：

形容词最高级: vainest

更多词形：

副词: vainly | 形容词比较级: vainer | 形容词最高级: vainest | 名词: vainness |

单词例句：

He tried in vain to catch the butterfly on the flower.

他白费力气想抓住停在花上的蝴蝶。

A vain, self-important, silly, or aggressively stupid person.

愚蠢的人自负的，妄自尊大的，愚蠢的或过分自信的笨蛋

All his father's exhortations were in vain.

他父亲的一切劝告都无效。

Day after day she waited in vain for him to telephone her.

日复一日，她徒劳地等待他的电话。

She is vain and foolish, and yet people like her.

她自负而愚蠢，然而人们喜欢她。

He was so vain and reckless that he would break a lance or two with his general.

年轻的军官一心取胜，他并不害怕与自己的将军比试一下。

He tried in vain to lure her away from husband and home.

他企图诱使她离开丈夫和家庭，结果是枉费心机。

They tried in vain to open the locked door.

他们妄图打开锁着的门。

The farmer out his claim to all the land before the prospectors came, but it was in vain.

这位农场主在探矿者到来之前立桩标明他对所有这些土地的所有权，但这是徒劳。