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

up to a certain point; to end at a specific time or limit; often used in the pattern 到 dào ... 为止 wéi​zhǐ

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 come to a halt; to cease; to stay stationary