英和和英

people in need

have need of

a demand

clamant needs

of something, to be needed

meet a need

do the necessary

to be necessary

a necessary thing

necessity

to meet a need

do the needful

by necessity

an exigency

to be pressed by necessity

Is required

urgently needed

important business

grim necessity

a request

to urge （on one） the necessity of something―impress upon one the importance of something

to meet the need―fill a need―minister to one's needs

according to the need

require exertion

a pressing need

something that is indispensable

required reading

necessary business

to meet a need―meet a want

consider obligatory