咬甲癖 yǎo jiǎ pǐ

DEFINITIONS

  1. onychophagia (nail biting)

CHARACTERS

咬 yǎo
HSK 5
bite, gnaw
甲 jiǎ
HSK 5
armor, shell; fingernails; 1st heavenly stem
癖 pǐ craving, weakness for; indigestion