chiratto
Taking a brief, quick look at something. Casual and short — even quicker than chirari-to.
💡Checking your watch — 'I chiratto checked the time on my phone.'
答えをちらっと見てしまった。
I chiratto peeked at the answer.
He ___ peeked at the answer sheet when the teacher wasn't looking.
先生が見ていない隙に答案を○○と見た。