見(み)かけるto (happen to) see, to notice, to catch sight of

学校(がっこう)ではよく校長(こうちょう)先生(せんせい)を見(み)かけます。

I often happen to see the principal at school. {to (happen to) see, to notice, to catch sight of}

不審(ふしん)な人(ひと)を見(み)かけたから警察(けいさつ)に通報(つうほう)した。

I reported to the police because I happened to see a suspicious person. {to (happen to) see, to notice, to catch sight of}

あなたは街(まち)で有名人(ゆうめいじん)を見(み)かけた事(こと)がありますか？

Have you ever happened to see a celebrity in the city? {to (happen to) see, to notice, to catch sight of}

母(はは)は不審(ふしん)者(しゃ)を見(み)かけるや否(いな)や、直(す)ぐに交番(こうばん)へ駆(か)け込(こ)みました。

As soon as my mother caught sight of a suspicious person, she immediately ran to the police box. {to (happen to) see, to notice, to catch sight of}

指名(しめい)手配(てはい)犯(はん)を見(み)かけたとあって、僕(ぼく)の鼓動(こどう)は今(いま)まで以上(いじょう)に早(はや)くなっている。

Having happened to catch sight of a wanted criminal, my heartbeat is now faster than ever before. {to (happen to) see, to notice, to catch sight of}