Relative explainations:
<shaddup> <keep a hatch before the door> <have a hatch before the door>
Examples:
1. ‘閉嘴’（意為‘別說話’）不是禮貌用語.
`Shut up' (meaning `Stop talking') is not a polite expression.
2. 妳再不閉嘴, 我就揍妳（壹頓）.
If you don't shut up, I'll belt you (one).