严丝合缝 yán sī hé fèng

to fit tightly (idiom); to fit snugly; to join seamlessly

Word data

HSK Not in HSK
Frequency 36564th word

Definitions

  1. 1. to fit tightly (idiom)
  2. 2. to fit snugly
  3. 3. to join seamlessly

Characters

Character Meaning
strict; severe; rigorous
silk; thread; trace
to join; to fit; to close
seam; crack; narrow slit