Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings

to use; by means of; with; using the tool or method introduced

established rule, custom, or practice; social etiquette or manners

To be unable to; to be incapable of doing something due to external circumstances or lack of ability

to become; to turn into; to change into

squares and circles; the physical shape of objects; specifically refers to rules or order in the idiom 没有规矩，不成方圆 méi​yǒu​guī​ju​bù​chéng​fāng​yuán