升堂入室
lit. to reach the main room and enter the chamber (idiom); fig. to gradually attain proficiency
词频 2.6
含义
- lit. to reach the main room and enter the chamber (idiom)
- fig. to gradually attain proficiency
- to attain a higher level
lit. to reach the main room and enter the chamber (idiom); fig. to gradually attain proficiency
词频 2.6