危殆

wēidài
  1. grave danger
  2. in jeopardy
  3. in a critical condition

CEDICT

  1. (formal) in grave danger; in a critical condition; in great peril
  2. in grave danger; in a critical condition; in great peril

Wiktionary

危险；危急

維基詞典

Entry Composition

1 危 wēi
  1. danger
  2. to endanger
  3. Taiwan pr. wéi
2 殆 dài
  1. (literary) dangerous; perilous
  2. (literary) almost; well-nigh

Related entries

急难 jínàn
  1. misfortune
  2. crisis
  3. grave danger
  4. critical situation
  5. disaster
  6. emergency
  7. to be zealous in helping others out of a predicament
他的人緣向來很好，因此一旦遭遇急難，朋友都樂意幫忙。

He is always popular among his friends. So whenever he comes across troubles or emergencies, they are happy to offer help.

Source: Tatoeba

命危 mìngwēi (medicine) in a critical condition
你在说我有生命危险吗？

Are you saying my life is in danger?

Source: Tatoeba