touch up

US /tʌtʃ ʌp/
UK /tʌtʃ ʌp/
"touch up" picture
1.

修補, 潤色, 改進

to improve something by making small changes or additions

:
I need to touch up the paint on the wall where it chipped.
我需要修補牆上掉漆的地方。
She spent an hour touching up her makeup before the party.
她在派對前花了一個小時補妝