The place quickly became untidy.
这地方很快变得凌乱不堪。
Clothes were thrown in the luggage in an untidy heap.
衣服被乱糟糟地扔进旅行箱里。
His hair and beard are both untidy and his skin is quite leathery.
他须发蓬乱，皮肤也相当粗糙。
There's no need to be so unfriendly towards them.
没必要对他们这么不客气。
She has a very formal manner, which can seem unfriendly.
她的`举止很是郑重其事，有可能会显得不友好。
His tone was curt and unfriendly.
他说话的语调粗暴无礼。
I could no longer ignore the fact that he was deeply unhappy.
我再不能对他深感不快这个事实不闻不问了。
I did not get the impression that they were unhappy about the situation.
我并不觉得他们不满于当时的状况。