便 [--]

Jyutping bin6 sing4
Pinyin biàn chéng

Definitions (Wiktionary)
  1. verb, Mainland-China
    [railway staffs] to ride trains to commute for free.
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    在5号站台随便乘哪辆火车。
    在5號站台隨便乘哪輛火車。
    zài 5 hào zhàn tái suí biàn chéng nǎ liàng huǒ chē 。
    • You can take any train you like from platform 5.