1. He plays some passages so slowly that they become lugubrious.
2. I denied my father because I wanted to become someone else.
我和父亲断绝了关系,因为我想成为一个不一样的自己。
3. Many of the leaders have become hooked on power and money.
4. All too often they become enmeshed in deadening routines.
5. International investors have become jittery about the country's economy.
6. If untreated, the gums recede, become swollen and bleed.