not to know what’s good for oneself;can’t tell good from bad

不知好歹

属类：习语名句-汉英成语-

Too young to know when to eat

不知饥饱

属类：习语名句-汉英成语-

not to know the real situation

不知利害

属类：简明汉英词典--

Don’t know the depths or bottom of things

不知深浅

属类：习语名句-汉英成语-

know nothing about what is going on in the world

不知世事

属类：简明汉英词典--

do not know what to do;At a loss

不知所措

属类：习语名句-汉英成语-

not to know where someone has gone

不知所向

属类：简明汉英词典--

not know what someone is driving at

不知所云

属类：习语名句-汉英成语-

Find out;get to know

得悉;发现

属类：学习英语-词组-

learn of;(find out and)know

得知

属类：简明汉英词典--

not know what sb;is driving at;be unintelligible

不知所云

属类：习语名句-汉英成语-

Don’t know where he went

不知所之

属类：习语名句-汉英成语-

do not know where sb.went;has not been heard of since

不知所终

属类：汉英词对--

Don’t know good from bad

不知香臭

属类：习语名句-汉英成语-

To know or understand little

半通不通

属类：习语名句-汉英成语-

Do not know whether it is true or false

不知虚实

属类：习语名句-汉英成语-

No need to let others know

不足为外人道

属类：习语名句-汉英成语-

know the bottom of everything

彻底了解一切

属类：简明汉英词典--

what is know as

称之为...的

属类：学习英语-英文词组-

know what one is doing

成竹在胸

属类：习语名句-汉英成语-

not know where the next meal comes

吃了上顿没下顿

属类：科技术语--

know public sentiment well

洞察舆情

属类：简明汉英词典--

never know where the next meal is

吃上顿没下顿

属类：汉英词对--

well-know

出名的

属类：简明汉英词典--

They that know nothing fear nothing

初生牛犊不怕虎

属类：习语名句-谚语-

to know a little about

粗通

属类：简明汉英词典--

know a little

粗通

属类：简明汉英词典--

barely know the rudiments of writing

粗通文墨

属类：简明汉英词典--

to know a little;to have a rough idea

粗知一二

属类：简明汉英词典--

know one’s stuff

对工作很内行

属类：口语表达-俚语-