How do you pronounce 踩線?

Q: How do you pronounce 踩線? A: caai2 sin3, e.g.

踩線 (caai2 sin3) — meaning, pronunciation, examples

踩線 (caai2 sin3, cǎi xiàn) — to scout for a tour operator; to reconnoiter a potential tour itinerary; (tennis) to commit a foot fault

踩低 (caai2 dai1) — step-over; bad-month
踩住人膊頭 (caai2 zyu6 jan4 bok3 tau4) — to advance or gain advantage over others (slang)
踩冰 (caai2 bing1) — to step on ice; to go ice skating
踩单车 (caai2 daan1 ce1) — to ride a bike
踩台 (caai2 toi4) — stage rehearsal
踩單車 (caai2 daan1 ce1) — bicycle riding; cycling