adj.忙碌的;占线;繁华的;爱管闲事的;
vt.忙着做某事;使奔走;使经营;
n.〈英俚〉侦探;包打听;
例句:
He is still busy.
他仍然很忙.
She is very busy, but she always finds time to help other people.
她很忙, 可是她总会抽时间去帮助别人.
He was busy, therefore, he couldn't come.
他忙得很, 所以没有来.