我无所谓，吃什么都可以。

Wǒ wúsuǒwèi, chī shénme dōu kěyǐ.

I don't mind—anything is fine.

我去哪儿都无所谓，只要好玩就可以了。

Wǒ qù nǎr dōu wúsuǒwèi, zhǐyào hǎowán jiù kěyǐ le.

I don't care where we go, as long as it's fun.

我对这个问题无所谓。

Wǒ duì zhège wèntí wú suǒ wèi.

I don't care about this issue.