biết cặn kẽ | * thngữ|- to know something (somebody) as a person knows his ten fingers; to know something (somebody) as well as a beggar knows his bag; to know something (somebody) like a book; to know something (somebody) like the palm of one's hands, to know black from white; to know chalk from cheese; to know a hawk from a handsaw; to know one's way about |
* Từ tham khảo/words other:
- phép cộng
- phép cưới
- phép đạc tam giác
- phép đẳng cấu
- phép dâng lễ