unfamiliar

US /ʌn.fəˈmɪl.i.jɚ/

UK /ʌn.fəˈmɪl.i.jɚ/

1.

không quen, không biết, không quen dùng

not known or recognized.

:

•

his voice was unfamiliar to her

:

unknown new strange queer foreign alien

:

familiar