"Do not play with matches at home" is a phrase that is used to tell someone not to play with matches in their home. This phrase is often used as a safety precaution to prevent fires. The phrase is derived from the fact that matches are a common source of fires, and it is important to be careful when using them. Here are a few examples of this phrase in use:

Example 1:
"Please remember to not play with matches at home. It's not safe."

Example 2:
"The parents told their children not to play with matches at home because they were afraid of starting a fire."

Example 3:
"The school sent a notice to parents reminding them to instruct their children not to play with matches at home."

中文翻译：

Example 1:
"请记得不要在家玩火柴。这不安全。"

Example 2:
"父母告诉他们的孩子不要在家玩火柴，因为他们害怕引发火灾。"

Example 3:
"学校发送通知给家长，提醒他们指示孩子不要在家玩火柴。"