Senses
没什么/ 沒什麼 variants: 沒甚麼 nothing
nothing; not anything; nothing important or difficult
没什么/ 沒什麼 variants: 沒甚麼 it doesn't matter
never mind; it is not important; used to dismiss a concern or as a polite response to an apology
没什么/ 沒什麼 you're welcome
think nothing of it; it's my pleasure; used as a polite response to thanks