英和和英

use sparingly

good at using it

use a person well

use diligently

to understand and make use of something

to make good use of something

put to use

put to use

to use something for a good purpose

be of use

use one's wits

use to the utmost

come into use

deplete

to waste

to make good use of something

I'll try using it.

be of use to, be useful to

use care

use a trowel on

Make it easy to use

what is left over after spending―the remnant

convenient to use

to serve a purpose

to do one's business―attend to business

handle effectively

Use as is

to do one's business―transact business―（人に頼まれた用なら）―execute a commission―do one a service―（使い歩きの用なら）―run errands―undertake messages

to do one's needs―obey the calls of nature―ease nature―relieve nature―go to the W. C.

not used to good advantage