tried and true
US /ˈtraɪd ənd truː/
UK /ˈtraɪd ənd truː/
成语
行之有效, 久经考验
proven to be effective or reliable
示例:
•
This is a tried and true method for baking perfect cookies.
这是烘焙完美饼干的行之有效的方法。
•
His advice is always tried and true.
他的建议总是行之有效的。