道ㄉㄠˋdào山ㄕㄢshān學ㄒㄩㄝˊxué海ㄏㄞˇhǎi

  1. 比喻學問似山高、似海深。明·王世貞《鳴鳳記·第二齣》：「道山學海功非淺，孔思周情文可傳。」

英mountain of Dao, sea of learning (idiom)​; learning is as high as the mountains, as wide as the seas, ars longa, vita brevis