Eng: Necessary...

必

Certainly, Must, Necessary, Will

要

Ask for, Blackmail, Brief, Coerce, Demand, Engage, Essential, Examine, If, Important, In case, Investigate, Invite, Make an, Midriff, Necessary, Necessity, Need, Ought to, Require, Shall, Should, Stop, Summarize, Summary, Threaten, Waist, Want, Will

所需

Necessary, Need, Needed, Needing, Needs, Require, Required, Requirements, Requires, Requiring, To need, To require

必要

Necessary

必要的

Necessary

(Ordered, Wanted)

十分必要

Essential, Necessary

(Complete, Completely)