sure-fire

US /ˈʃʊr.faɪr/
UK /ˈʃʊr.faɪr/
"sure-fire" picture
1.

萬無一失的, 肯定成功的, 可靠的

certain to succeed

:
Investing in that company is a sure-fire way to make money.
投資那家公司是萬無一失的賺錢方法。
He has a sure-fire plan to win the competition.
他有一個萬無一失的計畫來贏得比賽。