查明白 meaning in Chinese

make sure

Richard knew that he was discovered .
理查明白自己被识破了。
Then , please let me into the matter and call you later , where can i reach you
那么，让我查一查明白后随时再给你打电话。打到哪里找你呢？
He was a high officer , a district chief , or a provincial governor , i forgot to check it out so many people liked him , especially the women
他是个大官，是个地区的首长或省长我忘记查明白，所以很多人喜欢他，尤其是女人。