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Lack of Understanding Vocabulary Set in Knowledge & Understanding: Full and Detailed List

The 'Lack of Understanding' vocabulary set in 'Knowledge & Understanding' is carefully selected from standard international textbook sources, helping you master vocabulary in a short time. Comprehensive compilation of definitions, illustrative examples, and standard pronunciation...

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use your head

/juːz jʊər hɛd/

Example:

Come on, use your head! There must be a simpler way to do this.

out of your depth

/aʊt əv jʊər dɛpθ/

Example:

I felt completely out of my depth in the advanced physics class.

your guess is as good as mine

/jʊər ɡɛs ɪz æz ɡʊd æz maɪn/

Example:

Why did he leave so suddenly? Your guess is as good as mine.

get the wrong end of the stick

/ɡɛt ðə rɔŋ ɛnd əv ðə stɪk/

Example:

I think you've got the wrong end of the stick; I meant we should meet for coffee, not dinner.

not know beans about

/nɑt noʊ biːnz əˈbaʊt/

Example:

He claims to be an expert, but he doesn't know beans about quantum physics.

for the life of you

/fɔr ðə laɪf əv ju/

Example:

I can't remember his name for the life of me.

closed book

/kloʊzd bʊk/

Example:

Quantum physics is a closed book to me.

(as) clear as mud

/əz klɪr əz mʌd/

Example:

His explanation of the new policy was as clear as mud.

not know your ass from your elbow

/nɑt noʊ jʊər æs frəm jʊər ˈɛl.boʊ/

Example:

He's so incompetent, he doesn't know his ass from his elbow.

make heads or tails of

/meɪk hɛdz ɔr teɪlz əv/

Example:

I can't make heads or tails of these instructions.
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