a safe bet
US /ə seɪf bet/
UK /ə seɪf bet/
1.
十拿九稳, 稳妥的选择
something that is certain to happen or to be successful
:
•
It's a safe bet that the new restaurant will be popular.
这家新餐厅肯定会很受欢迎。
•
Given his track record, he's a safe bet for the promotion.
鉴于他的过往记录，他获得晋升是十拿九稳。