踩線 (caai2 sin3) — to go from door to door, canvassing by cold-calling, etc. in Cantonese
caaiˊ²踩sin˗₃線简 踩线
Mandarin Pinyin: cai3 xian4
Meaning of 踩線
nounto go from door to door, canvassing by cold-calling, etc.
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