disconcert
US /ˌdɪs.kənˈsɝːt/
UK /ˌdɪs.kənˈsɝːt/

1.
sconcertare, turbare, confondere
disturb the composure of; unsettle.
:
•
The sudden change in his behavior disconcerted her.
Il cambiamento improvviso nel suo comportamento la sconcertò.
•
He was disconcerted by the unexpected question.
Fu sconcertato dalla domanda inaspettata.