打掣 [－－]

Jyutping daa2 zai3
Pinyin dǎ chè

Definitions (CC-CANTO)
  1. verb; turn on the switch
Definitions (Kaifangcidian)
  1. 開閘 – 开闸
  2. 合上開關 – 合上开关
  3. 開閘通電 – 开闸通电