过硬 guò yìng

to be up to the mark; to have perfect mastery of sth

Word data

HSK Not in HSK
Frequency 34959th word

Definitions

  1. 1. to be up to the mark
  2. 2. to have perfect mastery of sth

Characters

Character Meaning
to cross; to go over; to pass (time)
hard; firm; stiff