(slang) (of women) to hunt for rich, attractive guys
Definitions (Wiktionary)
verb, slang
to pick up men; to hit on a man
Examples (Tatoeba—Mandarin-English)
Mandarin
笨蛋！她说她爱你不是真心的。还没有发现吗？她只是钓凯子的。
笨蛋！她説她愛你不是真心的。還沒有發現嗎？她只是釣凱子的。
bèn dàn ！ tā shuō tā ài nǐ bú shi zhēn xīn de 。 hái méi yǒu fā xiàn ma ？ tā zhǐ shì diào kǎi zi de 。
Idiot! She's not being honest when she says she loves you. Haven't you figured it out yet? She's just a gold digger.