我不知道妈妈会不会问我这是什么意思！
I wonder if mother will ask me what it means?
我以前从来不知道那是代表什么意思，但是我知道你是在用你的`方式告诉我，你每天都来看过我。
I never knew what it meant, but I knew it was your way of letting me know that you had checked in on me. Anyway I looked it up.
开始，我并不知道那些家伙什么意思，但是没过多久我就知道它指什么了。
At first, I did not know what these guys meant. But it did not take long to figure it out.
与我说话的天使回答我说，你不知道这是什么意思吗。
Then the angel that talked with me answered and said unto me, Knowest thou not what these be?