#54 私の部屋は汚い。

■ My room is messy.
■ My room is a mess.
■ My room is dirty.
■ My room is not clean.
■ My room is like a rubbish bin.
■ My room is a shambles.
■ My room is a bomb site.
■ My room is pigsty.

逆にきれいだと自分で言う人も少ないですが・・My room is clean enough for you to visit.くらいならOK。ま、汚いと言いながら誘う人もいないですが。