The words principle and principal are pronounced in the same way but they do not have the same meaning。
Principle和principal发音相同并且都是名词，但是它们的意思却完全不同
Principal
Principal is a noun meaning chief or head。
principal是一个名词，意为“首领”或“领导”。
“The principal of the middle school was strict but kind。”
这所中学的校长很严厉，但也很和蔼。
It can also be an adjective meaning highest in rank：
它也可以是一个形容词，意思是“最主要的”。
“The president plays the principal role in governing the country。”
总统在治理国家中起着主要作用。
Principle
Principle is only a noun and generally refers to a natural， moral， legal rule or standard。
Principle只是一个名词，一般指自然的、道德的、法律的规则或标准。
“Students must follow the basic principles of good behavior。”
学生必须遵守行为准则。
Remember the Difference
A great way to remember the differences between principle versus principal is found in the last three letters of each word。
记住principle和principal的区别的一个好方法主要在每个单词的最后三个字母。
Someone who is a “princi-P-A-L” should be looked at as your “pal。” Only people can be “pals” and principal refers to people， whereas “princi-P-L-E” refers to truths， rules， or standards。 A truth or standard cannot be your “pal。”
“princi-P-A-L”应该被视为你的“pal（朋友）”。只有人可以成为“pals”，principal指的是人，而“princi-P-L-E”指的是真理、规则或标准。真理或标准不能成为你的“pal”。
You can also remember the mnemonic， “The principal has his principles。”
你也可以记住这样一句话：校长有他的原则。
来源：每日学英语微信公众账号
责任编辑：陈熙
