壮大

壯大
zhuàngdà
  1. to expand
  2. to strengthen

CEDICT

Entry Composition

1 壮 zhuàng
  1. to strengthen
  2. strong
  3. robust
2 大 dà
  1. big; large; great
  2. older (than another person)
  3. eldest (as in 大姐 dàjiě)
  4. greatly; freely; fully
  5. (dialect) father
  6. (dialect) uncle (father's brother)