2 sentences for 没事儿 (méi​shì​r)

1. 这点儿小伤没事儿，休息几天就好了。

   zhè diǎn r xiǎo shāng méi​shì​r, xiū​xi jǐ tiān jiù hǎo le.

   This minor injury is nothing; it'll be fine after a few days' rest.

   Source: Dong Chinese Dictionary

2. 这个周末我没事儿，打算就在家里打扫卫生，哪儿也不去。

   zhè gè zhōu​mò wǒ méi​shì​r, dǎ​suàn jiù zài jiā​lǐ dǎ​sǎo wèi​shēng, nǎ​r yě bù qù.

   I have nothing going on this weekend, so I plan to just stay home and clean; I'm not going anywhere.

   Source: Dong Chinese Dictionary