China Naming Network - Company naming - Help me translate a few words of Japanese and mark them with Hiragana.

Help me translate a few words of Japanese and mark them with Hiragana.

it's really hot in summer (まなつはてんき).

summer time = true summer (まなつ)は

Hot weather = days (てんき) がぁつ) が

ensure sleep = must (かならず) sleep (すぃみん) をとって,

work hard.