make hay while the sun shines
US /meɪk heɪ waɪl ðə sʌn ʃaɪnz/
UK /meɪk heɪ waɪl ðə sʌn ʃaɪnz/

1.
趁热打铁, 抓住机会
to take advantage of an opportunity while it lasts
:
•
The market is booming, so we should make hay while the sun shines and invest now.
市场正在蓬勃发展,所以我们应该趁热打铁,现在就投资。
•
The children were told to make hay while the sun shines and play outside before it rained.
孩子们被告知要趁热打铁,在下雨前到外面玩。