hang back

US /hæŋ bæk/
UK /hæŋ bæk/
"hang back" picture
1.

ragu-ragu, menarik diri

to hesitate or be reluctant to do something, especially because of shyness or caution

:
Don't hang back, join the dance!
Jangan ragu, ikut menari!
She tends to hang back in social situations.
Dia cenderung ragu-ragu dalam situasi sosial.