The place quickly became untidy.

　　這地方很快變得凌亂不堪。

　　Clothes were thrown in the luggage in an untidy heap.

　　衣服被亂糟糟地扔進旅行箱里。

　　His hair and beard are both untidy and his skin is quite leathery.

　　他須發蓬亂，皮膚也相當粗糙。

　　There's no need to be so unfriendly towards them.

　　沒必要對他們這么不客氣。

　　She has a very formal manner, which can seem unfriendly.

　　她的舉止很是鄭重其事，有可能會顯得不友好。

　　His tone was curt and unfriendly.

　　他說話的語調粗暴無禮。

　　I could no longer ignore the fact that he was deeply unhappy.

　　我再不能對他深感不快這個事實不聞不問了。

　　I did not get the impression that they were unhappy about the situation.

　　我并不覺得他們不滿于當時的狀況。