Definition
to attempt to initiate a romantic or sexual relationship with someone
追求某人（想與其發展性關係）
He has been running after her, hoping to establish a relationship.
他一直追求她，希望能建立一段關係。
She doesn't like boys who just run after her.
她不喜歡那些只會追求她的男生。
At the party, he saw a charming girl and decided to run after her.
在派對上，他看到一位迷人的女孩，決定追求她。