後あと出だし

noun, noun or participle which takes 'suru', transitive verb

waiting to see opponent's move before acting

Used in games like rock-paper-scissors where delaying one's move to gain an unfair advantage is prohibited. Also used figuratively for waiting to see others' actions before deciding one's own.

• じゃんけんで後あと出だしをするのは反はん則そくだ。

  In rock-paper-scissors, throwing your hand after seeing your opponent's is against the rules.

• 彼かれはいつも会かい議ぎで後あと出だしして、みんなの意い見けんを聞きいてから自じ分ぶんの意い見けんを言いう。

  He always waits to see what others say in meetings before giving his own opinion.

noun, noun or participle which takes 'suru', transitive verb

bringing up after the fact; revealing later; holding back until the last minute

Refers to introducing information, conditions, or complaints only after a decision has been made or an event has passed, often seen as unfair or sneaky. Can also mean deliberately delaying disclosure.

• 契けい約やく書しょにサインした後あとで、後あと出だしで追つい加か料りょう金きんを請せい求きゅうされた。

  After I signed the contract, they brought up additional charges after the fact.

• 彼かの女じょはいつも後あと出だしで文もん句くを言いう。

  She always complains after the fact.