英和和英

to do one's business―attend to business

put to use

put to use

come into use

be of use

to use something

to make use of something

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.

use one's wits

to transact business―（人に頼まれた用なら）―execute a commission

to run errands―undertake messages―fetch and carry

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

to carry out one's tasks to completion

to use a person or a thing to achieve something

to serve a purpose

being for someone's use

avail oneself to

I'll try using it.

use a trowel on

to waste

use sparingly

to save expenses―be frugal of expenditure

be used by

using in turns

to take care―be careful

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

the act of using up something

to make good use of something

being used to