v.变成；成为；变得（动词become的过去式）
became例句
He renounced his religion and became a Muslim.
他宣布脱离他原来的宗教而成为了一名穆斯林教徒。
She never laughed and became very sullen.
她再也没有笑过，变得郁郁寡欢。
His hair became gray when he was only forty.
他刚刚四十岁时，头发就变得灰白了。
He is a Dane inasmuch as he was born in Denmark, but he became a British citizen at the age of 30.
他按其出生在丹麦来说是丹麦人，但他在30岁时成了英国公民。
The old man's life became dull and colorless.
老人的生活变得呆板无趣。
Her hearing went (ie She became deaf) in her seventies.
她70多岁时耳聋了。
After she'd overcome her initial shyness, she became very friendly.
她克服了开始时的羞涩之后，就变得非常友善。
He became quite agitated when he was asked about his criminal past.
当问到他过去的犯罪历史时，他变得十分焦虑不安。