Meaning of the word "have your wits about you" in English

What does "have your wits about you" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

have your wits about you

US /hæv jʊər wɪts əˈbaʊt ju/
UK /hæv jɔː wɪts əˈbaʊt ju/

Idiom

to be alert and able to think quickly and make good decisions, especially in a difficult situation

Example:
You need to have your wits about you when driving in heavy traffic.
It's important to have your wits about you during an emergency.