must; should; ought to; expresses a need or obligation

will; shall; to be about to; shows that an action is likely to happen soon or is intended

(bound form) important; essential; vital; key

to want; to wish for; to ask for; to demand (an object, money, etc.)

if; suppose; in case; used to introduce a conditional statement, often as a shortened form of 要是 yào​shi

(bound form) to demand; to request; to coerce; to force someone to do something

to ask, request, or tell someone to do something

Used repeatedly in separate clauses to present a choice between two options, similar to "either... or..."

used in comparative sentences to indicate an estimate or greater degree

(bound form) summary; essentials; main points

a Chinese surname

to invite; to ask someone to come over

(archaic) the middle part of the body; waist; original form of 腰 yāo