扩孔 kuò kǒng

to ream (i.e. widen a hole); to widen a tube

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. to ream (i.e. widen a hole)
  2. 2. to widen a tube

Characters

Character Meaning
扩 kuò HSK 5
to enlarge
孔 kǒng HSK 6
hole; surname Kong; classifier for cave dwellings