既

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

choke on something eaten

blunt / tough / chewy

one of the Eight Trigrams 八卦[ba1 gua4], symbolizing mountain / ☶ / ancient Chinese compass point: 45° (northeast)

just as in the past (idiom); as before / continuing as always

already fixed / set / established

to forget and not bear recriminations (idiom); to let bygones be bygones / There is no point in crying over spilt milk.

vested interest

already

past / bygone / the past

vested in / already obtained / vesting

vesting period (in finance)

lit. once said, a team of horses cannot unsay it (idiom); a promise must be kept

not censure sb for his past misdeeds / overlook sb's past mistakes / let bygones be bygones

Since they have come, we should make them comfortable (idiom). Since we're here, take it easy. / Since this is so, we should accept it. / Now we have come, let's stay and take the rough with the smooth. / If you can't do anything to prevent it, you might as well sit back and enjoy it.