英和和英

with insistence

in conjunction with

with volubility

with volubility

with reluctance

with reluctance

with reluctance

with assiduity

with composure

with vigor

with vigor

with erudition

with readiness

with validity

I have finished my business

I am through with my business

I am quit of the business.

to be enough

have been set；has been set

to carry out one's tasks to completion

Have functions

to be annexed to

accompanying

to finish one's business―get quit of one's business

to get quit of one's business

be active in

capable of being used up

I have some business to attend to

I have something to do

I am engaged.