Eng

In case...

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

以便萬一

If by, In case

(For convenience's, In order to, So as, So that, Accidental, Just in case, One ten, Tiny, unanticipated)

以免

In case, In order, So as not, To avoid

假使

If, In case, Supposing