take the plunge

US /teɪk ðə plʌndʒ/
UK /teɪk ðə plʌndʒ/
"take the plunge" picture
1.

思い切ってやる, 決断する

to decide to do something important or difficult that you have been thinking about for a long time

:
After years of deliberation, they finally decided to take the plunge and buy a house.
何年も熟考した後、彼らはついに思い切って家を買うことにした。
She was nervous, but she knew it was time to take the plunge and start her own business.
彼女は緊張していたが、思い切って自分のビジネスを始める時が来たことを知っていた。