じろじろ
jirojiro

To-Adverb

1. staringly; scrutinizing; scrutinising

Onomatopoeia
ひとのことをじろじろ ながめるのは失礼 しつれいだ。
hitono kotō jirojiro nagameru nowa shitsurēda.
It isn't polite to stare at people.
Other forms: