a safe bet

US /ə seɪf bet/
UK /ə seɪf bet/
"a safe bet" picture
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