A closed book

Update: 2019-01-16

Description

a closed book完全不了解，搞不懂

closed adj. 关闭的；合上的

与an open book意思相反

He issuch a closed book, he never talks about himself.他这人很封闭，从来不谈论他自己。

I don’t know much about Economics,it is a closed book to me. 我不太懂经济学，对我来说就像天书一样。

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In Channel

by the book

2019-01-1700:49

A closed book

2019-01-1600:47

An open book

2019-01-0300:56

In the flesh

2018-12-2201:06

A third / fifth wheel

2018-12-2101:09

Why the long face?

2018-12-2000:41

Go easy on someone/ something

2018-12-1800:41

be like looking for a meedle in a haystack

2018-12-1601:02

Roll up one's sleeves

2018-12-1600:43

Jump to conclusions

2018-12-1500:40

Blow one's mind

2018-12-1401:25

Have a say

2018-12-1201:11

Pass gas 排气?

2018-12-1101:10

Have one's eyes glued to something

2018-12-1001:03

Get/have cold feet

2018-12-0900:52

"说大话，吹牛"英语怎么说

2018-12-0700:58

Have bigger fish to fry

2018-12-0700:52

Burst out laughing

2018-12-0500:59

Burst into tears

2018-12-0301:14

Better half

2018-12-0300:44

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#box-pro-ellipsis-173229293271669{-webkit-line-clamp:2;}A closed book

A closed book

A closed book