ZERO IN ON SB/STH


Meaning of ZERO IN ON SB/STH in English

1.

to fix all your attention on the person or thing mentioned :

They zeroed in on the key issues.

2.

to aim guns, etc. at the person or thing mentioned

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.