to cast pearls before swine

to cast pearls before swine 基本解释

对牛弹琴

to cast pearls before swine 用法和例句

1、To explain to him is to cast pearls before swine.

跟他解释就等于对牛弹琴。

2、To sing for them is to cast pearls before swine.

为他们唱歌真是犹如对牛弹琴。

3、He is not a computer expert; you don't need to cast pearls before swine.

他不是计算机专家，你不必对牛弹琴。

重点词汇

cast vt. 铸造；投掷；投射；脱落，脱皮 n. 铸型；演员表；轻微的斜视；投，掷骰 vi. 掷，投；计算，加

pearls n. 珍珠( pearl的名词复数 ); 珍品; 人造珍珠; 珠状物

before prep. 在…之前；先于，优于；当着…的面；与其… conj. 在…之前；在…以前；比…早些；与其… adv. 先前，从前；在前，在前方

swine n. <旧>猪；<俚>讨厌鬼；下流坯；讨厌的人