how come you're only telling me this now?

how come you're only telling me this now? YOU’RE TELLING ME 翻译:You're telling me. you're telling me that ... Now let me tell you how come 1.how,me,come,now,to,let,you,tell ________________________.（ How come you didn’t tell me about this before?和How come they You may only be a person in this world,but for me,you're the You tell me和You’re telling me分别是什么意思,求高手指点 Now let me tell you how come.这句话哪个地方错了呀! how,me,come,now,to,let,you,tell,连词成句.急用! you are telling me.