Watashi no otōto wa, sukikirai ga nakute nandemo tabemasu.

My younger brother has no picky habits and eats anything.

Komatta koto ga areba, nandemo sōdan shite kudasai.

If you have any trouble, please consult me about anything.

Kare wa totemo atama ga yokute, nandemo shitte imasu.

He is very smart and knows everything.

Ohirugohan wa nani ga ii desu ka. Nandemo ii desu yo.

What would you like for lunch? Anything is fine.

Kanojo wa tesaki ga kiyō de, nandemo jibun de tsukuru koto ga dekimasu.

She is dexterous and can make anything by herself.

Nandemo, raigetsu kara atarashii sensei ga kuru sō desu yo.

Apparently, a new teacher is coming starting next month.