He treated me with friendliness.

他待我很友好。

He read love into her casual friendliness.

他把她偶然表示的友好误解为爱情。

The friendliness was gone from his voice.

他的声音已不再亲切。

His manner was a blend of friendliness and respect.

他的态度友善且毕恭毕敬。

Behind the mask of friendliness, I know he really dislikes me.

在友善的面具后面，我知道他其实并不喜欢我。

Despite his outward display of friendliness, I sensed he was concealing something.

尽管他表现得友善，我还是感觉到他有所隐瞒。