啐啄 cuìzhuó

cuìzhuó set phrase pecking the shell [to help the chick] to break out
Domain: Buddhism 佛教
Notes: Quote: a metaphor used in Chan literature of a mother hen cracking a shell to help the chick break out, like a master helping a disciple; for example, in koan 16 in 碧巖錄 ”The Blue Cliff Record” (retranslated from Ch’ung-hsien, K’o-ch’in, and Thomas F. Cleary trans. 1998, p. 92; FGDB '啐啄'; Heine 2016, pp. 186-187; T 2003, Scroll 2)