斷港絕潢

断港绝潢
duàngǎngjuéhuáng
  1. to be unable to continue
  2. to come to a dead end (idiom)

CEDICT

不能通行的水路。比喻無法達到目的地的錯誤途徑。唐．韓愈〈送王秀才序〉：「故學者必慎其所道，道於楊墨老莊佛之學，而欲之聖人之道，猶航斷港絕潢以望至於海也。」也作「斷流絕港」、「斷潢絕港」。

重編國語辭典

Entry Composition

1 斷 duàn
  1. to break
  2. to snap
  3. to cut off
  4. to give up or abstain from sth
  5. to judge
  6. (usu. used in the negative) absolutely
  7. definitely
  8. decidedly
2 港 gǎng
  1. harbor
  2. port

classifier: 個
3 絕 jué
  1. to cut short
  2. extinct
  3. to disappear
  4. to vanish
  5. absolutely
  6. by no means
4 潢 huáng
  1. dye paper
  2. lake
  3. pond
  4. mount scroll