辛勤耕耘
xīn qín gēng yún
Значение
to devote oneself tirelessly to one's work; to labor diligently over many years
Учить в приложении → Писать по чертам
xīn qín gēng yún
to devote oneself tirelessly to one's work; to labor diligently over many years
Учить в приложении → Писать по чертам