針 is one of the most commonly used Japanese kanji, and it also has a lot of special readings in addition to the standard onyomi and kunyomi readings.
ONYOMI 音読み
はり hari
KUNYOMI 訓読み
シン shin
Examples
針で親指を突いてしまった。I pricked my thumb with a needle.変な魚が針にかかっている。A strange fish is on the hook.彼女は時計の針を10分進ませた。She advanced the hand ten minutes.怪我自体はなん針か縫う程度だそうです。Apparently the wound itself only needs a few stitches.針と糸を持っていませんか。Don’t you have a needle and some thread?磁石の針は北を指す。Compass needles point to the north.私は時計の針を進めた。I advanced the hands on the clock.彼は針で指を刺した。He hurt his finger with a needle.針の落ちる音も聞こえるほどの静けさだ。You might hear a pin drop.彼女は時計の針を進めた。She advanced the hands on the clock.