面min6目muk6全cyun4非fei1

English

1. nothing remains the same (idiom); change beyond recognition
2. to have changed beyond recognition, especially in an undesirable way

粵語 — Cantonese

1. 變化大得好緊要，同原先個樣完全唔同；一般帶有負面意思

Examples

• 喺外國生活咗十年，返到嚟香港，發現呢個地方已經面目全非。

  Returning after living overseas for ten years, I realised that Hong Kong was no longer the place I used to know.