等到頸長 (dang2 dou3 geng2 coeng4) — to wait for a very long while; have waited an exceedingly and unacceptably long time; have waited for ages | Literally, "Have waited until one's neck grew in length" in Cantonese
dangˊ²等dou˗₃到gengˊ²頸coengˎ₄長简 等到颈长
Mandarin Pinyin: deng3 dao4 jing3 chang2
Meaning of 等到頸長
nounto wait for a very long while; have waited an exceedingly and unacceptably long time; have waited for ages | Literally, "Have waited until one's neck grew in length"