zhèng dāng shí
the right time for sth
the right season (for planting cabbage)
zhèng dāng
timely
just (when needed)
bù zhèng dāng
dishonest
unfair
improper
zhèng dāng lǐ yóu
proper reason
reasonable grounds
bù zhèng dāng jìng zhēng
unfair competition
illicit competition
zhèng dāng fáng wèi
reasonable self-defense
legitimate defense
zhèng dāng zhōng
right in the midpoint
a bull's eye
to hit the nail on the head
bù zhèng dāng guān xì
improper relation
adulterous relation
bù zhèng dàng
dishonest
unfair
improper
bù zhèng dàng jìng zhēng
unfair competition
illicit competition
bù zhèng dàng guān xì
improper relation
adulterous relation
zhèng dàng
honest
reasonable
fair
sensible
zhèng dāng nián
to be in the prime of life
zhèng dàng lǐ yóu
proper reason
reasonable grounds
zhèng dàng fáng wèi
reasonable self-defense
legitimate defense