大修

dàxiū
overhaul

CEDICT

to overhaul; to undertake a major service (of buildings, machinery, equipment, etc.)

Wiktionary

舊時河道工程每隔十年修繕一次，稱為「大修」。

重編國語辭典

（进行）大幅度的修改。

維基詞典

Entry Composition

1 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)
=2 修 xiū
  1. to decorate
  2. to embellish
  3. to repair
  4. to build
  5. to write
  6. to cultivate
  7. to study
  8. to take (a class)
=2 修 xiū variant of 修 xiū

Containing this entry

大修道院 dàxiūdàoyuàn
  1. abbey
  2. large monastery or convent