1. appointment
    Do you have an appointment?
    你約好了嗎？
    I have an appointment with the dentist this afternoon.
    我今天下午預約了牙醫(yī)。
    I've got to go now; I have an appointment.
    我得走了，我有約會。
    2. urgent
    Is it urgent?
    急嗎？
    Listen, it's an urgent message.
    聽著，這是一條很緊急的信息。
    It's too urgent to wait.
    事情急，不能再等了。
    3. till
    Can't you wait till this afternoon?
    您就不能等到今天下午了嗎？
    I watched TV till eleven last night.
    昨晚我看電視一直看到十一點。
    Wait till I come back.
    等到我回來。