既有今日何必當初

see 早知今日何必當初|早知今日何必当初[zao3 zhi1 jin1 ri4 he2 bi4 dang1 chu1]

already / since / both... (and...)

existing

to have; there is / (bound form) having; with; -ful; -ed; -al (as in 有意[you3 yi4] intentional)

now / the present time / current / contemporary / this (day, year etc)

today

abbr. for 日本[Ri4 ben3], Japan

sun / day / date, day of the month

surname He

what / how / why / which / carry

there is no need / why should

certainly / must / will / necessarily

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)

at that time / originally

at first / (at the) beginning / first / junior / basic