[guī ju]
（一定的标准， 法则或习惯） rule; established practice; custom
If you keep the rules, you are not likely to get into trouble.
如果你守规矩， 你就不大会遇到麻烦。
The custom here is this.
这里的规矩是这样的。
Not everything can be done according to the old ways.
不能什么事都按老规矩办。
（端正老实； 合乎标准或常理） well-behaved; well-disciplined
have no manners; be impolite
没规矩
Behave yourself!
规矩点!
His handwriting shows care and training.
他的字写得很规矩。