没事儿 (méi shì r) — to have nothing to do, to be free/spare (not busy); it's nothing, it doesn't matter, never mind, no problem

Definition

Examples

• 我今天没事儿，可以陪你去逛街。
  Wǒ jīn tiān méi shì r, kě yǐ péi nǐ qù guàng jiē.
  I'm free today; I can go shopping with you.
• ——对不起，我来晚了。——没事儿，快进来坐吧。
  —— Duì bu qǐ, wǒ lái wǎn le. —— méi shì r, kuài jìn lái zuò ba.
  —Sorry I'm late.—It's nothing, come in and sit down.
• 你没事吧？——我没事儿，别担心。
  Nǐ méi shì ba? —— wǒ méi shì r, bié dān xīn.
  Are you okay?—I'm fine, don't worry.