英和和英

an exigency

to be necessary

solicitation

a demand

do the necessary

of something, to be needed

the act of requiring

necessity

to suit the exigency

recourse

invigilation

invigilation

proscription

according to the need

Is required

to be pressed by necessity

by necessity

to meet a need―meet a want

to meet a need

fulfill requirements

obligating

order

in case of necessity

rise to the requirements

make according to requirements

urgently needed

have need of

a prerequisite

challenge

complaint