她不友好的英语可以用 "unfriendly" 来表示。这个词的来源可以追溯到中古英语 "unfrendpch"，意思是 "不友好的"。
下面是一些使用 "unfriendly" 的例句：
She gave me an unfriendly look when I asked her for a favor. (她在我请求帮助时给我一个不友好的眼神。)
The new employee seems unfriendly and distant. (新员工看起来不友好和疏远。)
The unfriendly customer service representative made me feel unwelcome. (不友好的客服人员让我感到不受欢迎。)