源远流长 (yuán yuǎn liú cháng) | Meaning: (idiom) of long standing; with a long history; stretching back to ancient times | Chinese Idiom with Pinyin & Origin

inexhaustible · a steady flow of · a constant torrent of · an uninterrupted flow · in a steady stream源源不绝yuán yuán bù jué

(idiom) in an unending stream; continuous源源不断yuán yuán bù duàn

move on in a continuous stream · come continuously (like a stream) · incessantly coming源源而来yuán yuán ér lái

far-reaching · profound and long-lasting深远shēn yuǎn

(idiom) of long standing; with a long history; stretching back to ancient times