| [rà nh] |
| | to know something thoroughly; to be familiar/conversant with something; to be knowledgeable about something; to be at home in something; to have a thorough knowledge/an intimate knowledge of something |
| | Anh có bảo đảm cô ấy rà nh tiếng Pháp hay không? |
| Are you sure that she is at home in French? |
| | Cô ấy rà nh xe hơi lắm |
| She's very knowledgeable about cars |