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。
People always complain that the big banks and big companies are unfriendly and unhelpful
人们总是抱怨大银行和大公司不友善、不愿提供帮助。
Judy spoke in a loud, rather unfriendly voice.
朱迪说话时声音很大，十分不友好。