well tried

劍橋詞典

used many times before and known to be effective
經(jīng)反復(fù)驗(yàn)證行之有效的，屢試不爽的
[ 只用在名詞前面的形容詞 ] a well-tried recipe 一個(gè)屢試不爽的訣竅 返回 well tried