be all Greek to

be all Greek to

美 　英

• na.完全不懂
• 网络是…所不懂的；使…很费解

英汉解释

na.	1. 完全不懂,一窍不通

例句

In order not to be all Greek to someone, we better write this letter with short and clear sentences.

为了让人不难了解这封信，我们最好用简短易懂的句子来写。