を見かける

to spot; to catch sight of

→ を
phrase Rare #37,001
to spot; to catch sight of Means to notice or come across someone or something, often by chance. The particle を marks what is seen.
JA: ここでよくトムを見かけるよ。
EN: I often spot Tom around here.

ここでよくトムを見かけるよ。

I often see Tom here.

最近、あらゆる所でカラスを見かける。

Lately, I’ve been seeing crows everywhere.

その警官の姿を見かけるや否や、彼は逃げ出した。

No sooner did he catch sight of the police officer than he ran away.

今ではますます多くの外国人を見かける。

These days, you see more and more foreigners.