Meaning of the word "throw someone a curveball" in English

What does "throw someone a curveball" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

throw someone a curveball

US /θroʊ ˈsʌm.wʌn ə ˈkɜrv.bɔl/
UK /θroʊ ˈsʌm.wʌn ə ˈkɜrv.bɔl/
"throw someone a curveball" picture

Idiom

1.

to present someone with an unexpected difficulty or challenge

Example:
The boss really threw us a curveball with that last-minute change to the project.
Life can sometimes throw you a curveball when you least expect it.
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