大daai6安on1旨zi2意ji3

English

1. too confident with something (slang)
2. to have a false sense of security; to be unaware of, or to choose to ignore any risk or danger

粵語 — Cantonese

1. 形容毫無根據嘅安全感，即係懶散而唔理會現實情況，仍然覺得唔會出事嘅一種態度

Examples

• 唔好大安旨意唔使温書，聽講今次考試好難。

  I don't know where your security comes from. I've heard that the examination would not be easy this time.

• 佢成日唔記得自己搬咗去海邊，八號風球嗰陣仲大安旨意咁瞓晏覺。

  He often forgets that he has moved to the coast. There was one time he had the audacity to have an afternoon nap during a number 8 typhoon.