give something/someone the once-over

US /ɡɪv ˈsʌmˌθɪŋ ˈsʌmˌwʌn ðə wʌns ˈoʊvər/
UK /ɡɪv ˈsʌmˌθɪŋ ˈsʌmˌwʌn ðə wʌns ˈoʊvər/
"give something/someone the once-over" picture
1.

to quickly look at someone or something, especially to check them or to form an opinion of them

:
The mechanic gave the car the once-over before the long trip.
She gave him the once-over, deciding if he was trustworthy.