正當理由

proper reason / reasonable grounds

first month of the lunar year

straight / upright / proper / main / principal / to correct / to rectify / exactly / just (at that time) / right (in that place) / (math.) positive

timely / just (when needed)

honest / reasonable / fair / sensible

to be / to act as / manage / withstand / when / during / ought / should / match equally / equal / same / obstruct / just at (a time or place) / on the spot / right / just at

at or in the very same... / suitable / adequate / fitting / proper / to replace / to regard as / to think / to pawn / (coll.) to fail (a student)

texture / grain (of wood) / inner essence / intrinsic order / reason / logic / truth / science / natural science (esp. physics) / to manage / to pay attention to / to run (affairs) / to handle / to put in order / to tidy up

reason / grounds / justification / CL:個|个[ge4]

to follow / from / because of / due to / by / via / through / (before a noun and a verb) it is for ... to ...

to follow / from / because of; due to / by; via; through / (before a noun and a verb) it is for ... to ...