like: biết về → →
to demonstrate a knowledge of English ☊ 
chứng tỏ hiểu biết về Anh ngữ ☊ a knowledge of English ☊ hiểu biết về Ang ngữ ☊ 
die Meinungsverschiedenheit ☊ sự khác biệt về quan điểm ☊ 
☊ Die Meinungsverschiedenheit ☊ Sự khác biệt về quan điểm ☊ (Lektion 60, Nr. 842) Worauf sind Sie in Ihrem Leben besonders stolz? ☊ Trong cuộc sống anh / chị tự hào đặc biệt về cái gì? ☊ (Lektion 108, Nr. 1930) Wie gut kennen Sie unsere Produkte? ☊ Anh / Chị biết về sản phẩm của chúng tôi thế nào? ☊ (Lektion 108, Nr. 1951) appreciate sb doing sth: We would appreciate you letting us know of any problems. ☊ appreciate ☊
differences of class, race or gender ☊ class ☊
She hadn't read the letter and so was unaware of its contents. ☊ content ☊
cultural differences between the two communities ☊ cultural ☊
She denied all knowledge of the incident. ☊ deny ☊
There's not much difference in price between the two computers. ☊ difference ☊
There's an age difference of six years between the boys (= one is six years older than the other). ☊ difference ☊
We measured the difference in temperature. ☊ difference ☊
emphasize how, what, etc...: He emphasized how little was known about the disease. ☊ emphasize ☊
I was unaware of his existence until today. ☊ existence ☊
a special feature on education ☊ feature ☊
We're four hours ahead of New York (= referring to the time difference). ☊ hour ☊
The leaflet informs customers about healthy eating. ☊ inform ☊
You know about Amanda's baby, don't you? ☊ know ☊
I don't know about you, but I'm ready for something to eat. ☊ know ☊
He denied all knowledge of the affair. ☊ knowledge ☊
Little is known about the third member of the band. ☊ member ☊
My work is very specialized in nature. ☊ nature ☊
Get out! It's nothing to do with you (= you have no right to know about it). ☊ be/have nothing to do with sb/sth ☊
Normally, the letter would not have come to my notice (= I would not have known about it). ☊ notice ☊
There is a difference of opinion (= people disagree) as to the merits of the plan. ☊ opinion ☊
The two parties managed to overcome their differences on the issue. ☊ overcome ☊
For reasons of his own (= particular reasons that perhaps only he knew about), he refused to join the club. ☊ own ☊
You did right to tell me about it. ☊ right ☊
There is something special about this place. ☊ special ☊
Dr Pearce is the special adviser on environmental issues. ☊ special ☊
Everyone knows about it now, thanks to you! ☊ thanks to sb/sth ☊
There are a lot of things she doesn't know about me. ☊ thing ☊
You'll feel differently about it when the time comes (= when it happens). ☊ time ☊
The committee has little or no understanding of the problem. ☊ understanding ☊
Most of the students have a sound understanding of English grammar. ☊ understanding ☊
There are wide variations in prices. ☊ wide ☊