They have long gotten used to familiar people being unable to tell them apart. What really causes them to turn a cold shoulder is the curiosity of strangers. It might be called curiosity, but it is hard to take the crudity and lack of basic courtesy that some people show.
熟面孔分不出他們早已習慣，會令他們偶爾擺起一張冷臉的，卻是陌生人的好奇﹘ ﹘名為好奇，但有些人的粗率和無禮，實在令人不堪。