look sideways at (someone)

Translations
смотреть искоса на (кого-то)
She looked sideways at him, unsure of his intentions.
Она посмотрела на него искоса, не уверенная в его намерениях.
Definitions
To glance at someone with suspicion, disapproval, or doubt, often without turning one's head fully; to regard someone skeptically or with mistrust.
Words
look

verb
смотреть
sideways

adverb
боком