翻脸不认人 meaning in English

deny [turn against] a friend; break old friendship; pretend not to know old friends; turn one's back on old associates

He could become terrible, going into reverse without warning .
他会变得叫人害怕。不曾警告，突然就会翻脸不认人。
If another friend had proved himself undependable goldstein would nurse his pains .
假如又有朋友翻脸不认人了，戈尔斯坦也自会对心灵上的创伤加以调治。
Now trust me - tell me what it is , and trust me - i won t betray you .
相信我告诉我吧！请相信我我不会翻脸不认人的。 ”
I feel you should notice more , the more you jump over such enterprise should serious do good bookkeeper processing , of made clarity , or in case where day has what thing , you are bad to did , those who but fall out does not know a person , have boss of some of boss of illicit look forward to
我觉得你应该多注重了，越是这样的企业你越应该认认真真的做好会计处理，作的清清楚楚的，要不然万一哪天有什麽事，你就不好办了，有些私企老板老板可是翻脸不认人的。