(pos:名詞)
<explanation>
yue:用嚟控制機器開關或者運作嘅裝置（量詞：個／粒）
eng:a button; a switch
<eg>
yue:#開關掣 (hoi1 gwaan1 zai3)
eng:the power button
<eg>
yue:#總掣 (zung2 zai3)
eng:the main switch
<eg>
yue:入實驗室㩒緊急掣。 (jap6 sat6 jim6 sat1 gam6 gan2 gap1 zai3.)
eng:Enter the lab and press the emergency button. (a tongue twister)
<eg>
yue:喂，你撳個電掣細力啲好喎，會爛㗎噃。 (wai3, nei5 gam6 go3 din6 zai3 sai3 lik6 di1 hou2 wo3, wui5 laan6 gaa3 bo3.)
eng:Hey, be gentle with that switch or you'll break it.
<eg>
yue:佢入咗餅錄音帶，然後撳咗個「錄音」掣。 (keoi5 jap6 zo2 beng2 luk6 jam1 daai2, jin4 hau6 gam6 zo2 go3 'luk6 jam1' zai3.)
eng:He inserted the cassette and pressed the 'record' button.
----
<explanation>
yue:剎車裝置（量詞：個）
eng:a brake
<eg>
yue:拉手掣 (laai1 sau2 zai3)
eng:to put the handbrake on
<eg>
yue:刹掣 (saat3 zai3)
eng:to put the footbrake on