难以启齿 nán yǐ qǐ chǐ

DEFINITIONS

  1. to be too embarrassed to mention sth (idiom)
  2. to find it hard to speak about sth

CHARACTERS

难 nán difficult, arduous, hard; unable
以 yǐ by means of; thereby, therefore; consider as; in order to
启 qǐ open; begin, commence; explain
齿 chǐ teeth; gears, cogs; age; simplified form of the KangXi radical number 211