Something that shows potential but fails quickly
潜在能力を示すがすぐに失敗するもの (potensharu o shimesu ga sugu ni shippai suru mono)
"His first success was just a flash in the pan."
"彼の最初の成功は一時的なものだった。" (kare no saisho no seikou wa ichijiteki na mono datta)
to happen as expected
To speak honestly or openly.
to devote time or space to something
facing a decision or choice
to reveal one’s real character or intentions
To pay the bill for something.