badly off 贫困，贫穷
better off 情况较好
right off 立刻，马上 (= straight off)
well off 富裕
worse off 情况较差
be off离开
take off［飞机等］起飞；脱下
put off推延［时间］
hurry off匆忙离开...
turn off关掉...
get off下车
have /take/ask for a day off请假/离开一天
fall off从...掉下
give off发出［光、热、气味等］
keep off让开，不接近。