timid
US /ˈtɪm.ɪd/
UK /ˈtɪm.ɪd/

1.
timido, pauroso, esitante
showing a lack of courage or confidence; easily frightened
:
•
The timid child hid behind her mother's skirt.
La bambina timida si nascose dietro la gonna della madre.
•
He was too timid to ask her to dance.
Era troppo timido per chiederle di ballare.