1. He is on a business trip.
他現(xiàn)在出差了。
還能這樣說：
He's on business now.
He is taking an official trip.
諺語：
Better the foot slip than the tongue trip.
寧可失足，不可失言。
2. He is off today.
他今天放假。
還能這樣說：
He is on vacation.
He isn't working today.
應(yīng)用解析：
be badly off 生活貧困，運氣不佳；
be comfortably off 生活寬裕；
be better off 情況好些，生活比較寬裕；
be worse off 情況更差，更加貧困；
from the off 從頭開始
3. He is not in now.
他現(xiàn)在不在。
還能這樣說：
He is out now.
He is not here now.
4. He's out to meet with customers now.
他外出見客戶了。
還能這樣說：
He's out to see clients right now.
He goes to see the clients.
諺語：
Don't make a mountain out of a molehill.
不要小題大做。