a. not easy to understand or use
a. not disposed to friendship or friendliness
s. not friendly
adv. 不友善地
1. The teacher was unfriendly to the new students.
老师对新学生不友好。
2. It’s hard to make friends in an unfriendly environment.
在一个不友好的环境中很难交朋友。
3. She felt unwelcome because of his unfriendly attitude.
她因为他的冷漠态度而感到不受欢迎。