Stand with one's bare face hanging out verb phrase
Someone stands firmly in a place without a help and his or her face looks stupid.
I expected him to intervene in their quarrel, but he just stood there with his bare face hanging out.
Don’t just stand there with your bare face hanging out. Say something!
Don’t just stand there with your bare face hanging out. Call an ambulance!
To allow someone to do what they want without assistance or other interference
The verb "stand" should be conjugated according to its tense.