- 正当防卫 zhèngdàngfángwèi legitimate self-defenselegitimate or justified self-defense; a legal right to use necessary force to protect oneself or others from illegal harm
- 正当性 zhèngdàngxìng legitimacypolitical or legal legitimacy; validity; righteousness
- 正当时 zhèngdāngshí at the right timeto be in the midst of the most appropriate or opportune moment
- 正当中 zhèngdāngzhōng dead centerright in the middle; the very center
- 正当年 zhèngdāngnián to be in one's primeto be in the prime of life; to be at an age of peak health and energy
- 不正当 bùzhèngdàng improperimproper; immoral; illegitimate; dishonest or unfair
- 日正当中 rìzhèngdāngzhōng middayThe sun is directly overhead in the center of the sky; high noon.
- 不正当竞争 bùzhèngdàngjìngzhēng unfair competitionunfair competition; illicit or improper business practices that violate principles of honesty and fairness to harm competitors or consumers
- 正当理由 zhèngdànglǐyóu proper reasonproper reason; reasonable grounds
- 不正当关系 bùzhèngdàngguānxì improper relationshipimproper relationship; illicit relationship, especially an extramarital affair
