發虛 [发虚]

Jyutping faat3 heoi1
Pinyin fā xū

Definitions (CC-CEDICT)
  1. to feel weak
  2. to be diffident
Definitions (Wiktionary)
  1. verb
    to feel weak; to feel listless
  2. verb
    to feel apprehensive; to feel diffident
  3. verb, of text etc.
    to be blurred