1.
Americans are friendly because they just can't help it;
美国人友好，是因为他们没办法不友好；
2.
This is a friendly game,that one is not.
这是一场友好的比赛，那场比赛不友好。
3.
Is the facial expression friendly or unfriendly?
面部表情是友好的还是不友好的？
4.
sour on one's best friend
对自己最好的朋友变得不友好
5.
sullen or unfriendly in appearance.
表情阴沉或者不友好。
6.
unfriendly behavior that aggravates or irritates someone.
激怒某人的不友好行为。
7.
Extreme unfriendliness or reserve.
冷淡极其不友好或谨慎
8.
intense adverse criticism.
强烈的、不友好的批评。
9.
speak in an unfriendly tone.
以极不友好的语调说话。
10.
an unfriendly look, gesture, attitude
不友好的神情、 姿态、 态度
11.
They were unkind to Cinderella.
她们对灰姑娘很不友好。
12.
not disposed to friendship or friendliness.
不倾向于友好、友善。
13.
A good book is a best friend who never turn his back upon us.
好书如良友，永远不相负。
14.
Sino-Japanese friendship is nothing!
中日友好是不可能的！
15.
A good Book is a Best friend who never turns his Back upon us.
好书如挚友,永远不相负。
16.
impossible to bring into friendly accord.
不能开始友好地协作。
17.
The best way to keep friendship is not to betray friends.
保持友谊最好的方法是不出卖朋友。
18.
A friend in the market is better than money in the chest.
有钱不如有朋友，朋友多了路好走。