at need

(archaic)when needed; in an emergency

(古)困難之時(shí)；必要時(shí)

men whose experience could be called upon at need.

在必要時(shí)有經(jīng)驗(yàn)的可用之人。

had need

(archaic)ought to

(古)須要，務(wù)必，應(yīng)該

you had need hire men to chip it all over artistically.

你應(yīng)該雇人手在上面都刻上有美感的圖案。

have need of/to do something

(formal)need

(正式)需要，要有，要

Alida had need of company.

阿莉達(dá)需要人陪同。

if need be

if necessary

需要的話(huà)，必要的話(huà)

in need

requiring help

需要幫助的

children in need.

需要幫助的孩子們。

in need of

requiring or needing (something)

需要（某物）

he was in desperate need of medical care.

他迫切需要醫(yī)療護(hù)理。