disconcerting

with disconcerting formality the brothers shook hands.

兄了手，其拘谨状令人不安。

gazing into her face with disconcerting intensity.

令人不安地紧紧凝视她的脸。

he had a disconcerting habit of offering jobs to people he met at dinner parties.

他有个令人不安的习惯，就是会把工作许给宴会上认识的人。