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an open book

Idiom Literature

Meaning

someone who is easy to understand or very honest

Example Sentences

"He’s an open book; you can always tell what he’s thinking."

Related Expressions

lay down the law

to state rules firmly and clearly

Zoom in on

To focus closely on something

code like a machine

to work extremely fast and efficiently on programming

a game changer

something that completely changes the way things are done

check over

to examine something carefully for mistakes

plan B

an alternative plan if the first one fails