1To catch fish using a rod, line, or similar method; to fish.
休日は父と一緒に海で魚を釣るのが楽しみだ。
On days off, I look forward to fishing with my father at the sea.
あの湖ではニジマスがよく釣れるらしい。
I hear you can catch a lot of rainbow trout at that lake.
初めて釣った魚は小さなアジだった。
The first fish I ever caught was a small horse mackerel.
夜釣りでイカを釣るのが最近のブームだ。
Night fishing for squid has become popular lately.
2To lure or entice people with attractive words or offers; often used of ads or online posts designed to draw attention ("bait" someone).
「今だけ半額」という言葉で客を釣る店が増えている。
More and more shops are luring customers with phrases like "half price, today only."
あの投稿はわざと過激な発言で炎上を狙って釣っているだけだ。
That post is just deliberately using extreme statements to bait a controversy.
見出しで読者を釣るような記事にはうんざりだ。
I'm sick of articles that use headlines just to lure in readers.