例句：
The staff are very friendly.
這些工作人員非常友好。
Godfrey had been friendly to me.
戈弗雷過去曾經對我是友好的。
His smile was warm and friendly.
他的微笑熱情而友好。
They say we're cold, reserved, unfriendly.
他們說我們冷漠、保守、不友好。
It was not an unfriendly grunt, but it was a grunt.
這不是不友好的咕噥，但它是一聲咕噥。
If you know what kind of people are unfriendly, just stay away from them.
如果你知道什么樣的人不友好，就遠離他們。