expression, noun
the crucial moment; the moment of truth; do-or-die situation
Refers to a decisive moment or critical juncture where one must give one's all. Often used in sports, business, or personal challenges.
ここ一番というときに彼は強い。
He is strong when it really counts.
ここ一番の勝負で力を発揮した。
They showed their strength in the do-or-die match.