闸
zháTraditional 閘
sluice gate; lock
Every meaning
zhá
- sluice gate; lock
- switch (as in 电闸)
- brake (as in 刹车闸)
- ticket gate; turnstile
Meanings are from Mandarin The Wild’s own dictionary. Levels follow the official HSK word list (the exam’s 2025 syllabus, levels 7–9 shown together).