宿投 [－－]

Jyutping suk1 tau4
Pinyin sù tóu

Definitions (Wiktionary)
  1. adj, Zhangzhou-Hokkien
    seasoned; experienced
    (syn.) 精幹, 干练, 老办, 老成, 老到, 老練, 老练, 幹練, 老辦, 精悍, 精干