英和和英

used up

be used by

to be used as a blind―be make a stalking-horse of

used as expletives

be of use

to be used up

to be used for a certain purpose

being used to

put to use

become used up

Use it as...

to take care―be careful

to take care of―be careful of―give attention to―anything

I have finished my business

I am through with my business

I am quit of the business.

may be used up

applied；applied for

to take a person into one's service

used as intensifiers

to use something according to the rules

to be in use

come into use

to be made a cat's paw of

used of the voice

a thing that has been used

come [be brought] into use

I have some business to attend to

I have something to do

I am engaged.