hesitant
US /ˈhez.ə.tənt/
UK /ˈhez.ə.tənt/

1.
esitante, incerto
tentative, unsure, or slow in acting or speaking due to indecision or doubt
:
•
She was hesitant to accept the new job offer.
Era esitante ad accettare la nuova offerta di lavoro.
•
He gave a hesitant smile, unsure how to respond.
Fece un sorriso esitante, incerto su come rispondere.