高僧傳 13.54

13.54

釋道首（怯於一往，長道可觀。）　釋曇調（寫送清雅，恨功夫未足。）

Śramaṇa Daoshou (Timid at the start, but his long sustained lines were remarkable.) / Śramaṇa Tandiao (His transitions were clear and elegant, though it is regrettable that his mastery was incomplete.)