wait for 等候
Time and tide wait for no man.
wait on 服侍，招待(尤指进餐)
At dinner they were waited on by a servant.
The party soon warmed up.
wash up 洗刷(饭后的杯盘等)
Have the dishes been washed up yet?
watch out 小心，留神，注意
Watch out!There’s a car coming!
watch out for 密切注意，小心
He hid himself behind a big rock,carefully watching out for the enemy.
wear out 穿破，用坏，使筋疲力尽
My shoes are worn out.
when it comes to... 当涉及……时
No one can touch him when it comes to interior design.
wipe out 彻底消灭，全部摧毁
Whole villages were wiped out by the earthquake.
with regard to 关于
I have no complaints with regard to his work.
with respect to 关于，就……而言
With respect to this question,I cannot make up my mind now.
with the exception of 除……之外
Everyone was tired，with the exception of John.
without doubt 毫无疑问，的确
This meeting has been,without doubt, one of the most useful we have had so far.
without question 毫无疑问，毫无异议
His honesty is without question.
work at 努力做，致力于
Mary is still not very good at speaking Chinese, but she's working at it.
work out 算出，解决，思考
They’ve worked out a method of sending a spacecraft to Mars.
would rather 宁可，宁愿
I'd rather you went home now.
would rather...than... 宁愿……也不愿…
I am sure they would rather die than give in.
That just about wraps it up for today.
Sam wrote back saying that he could certainly help.
write down 写下，记录下
Write down the address before you forget it.把地址记下来，免得忘了。