noun
golden opportunity arrives; advent of a golden opportunity
A yojijukugo (four-character idiom) used when a perfect chance or favorable moment presents itself. Often appears in formal or literary contexts.
長年の努力が実り、ついに好機到来だ。
After years of effort, a golden opportunity has finally arrived.
好機到来を逃さず、新事業に乗り出した。
Seizing the advent of a golden opportunity, they launched a new business.