多一事不如少一事

duōyīshìbùrúshǎoyīshì
  1. it is better to avoid unnecessary trouble (idiom)
  2. the less complications the better

CEDICT

"the less trouble the better"; to let something slide and avoid trouble

Wiktionary

怕惹是非，不願多管事。《老殘遊記．第一二回》：「現在國家正當多事之秋，那王公大臣只是恐怕耽處分，多一事不如少一事，弄的百事俱廢，將來又是怎樣個了局？」也作「多一事不如省一事」。

重編國語辭典

Entry Composition

1 多 duō
  1. many; much; more; a lot of
  2. too many; in excess
  3. (after a numeral) ... odd
  4. how (to what extent) (Taiwan pr. duó)
  5. (bound form) multi-; poly-
2 一事 yīshì
  1. (dialectal) related (organizationally or professionally); belonging to the same organization
  2. related (organizationally or professionally); belonging to the same organization
3 不如 bùrú
  1. not equal to; not as good as; inferior to
  2. it would be better to
4 少 shǎo
  1. few
  2. less
  3. to lack
  4. to be missing
  5. to stop (doing sth)
  6. seldom
5 一事 yīshì
  1. (dialectal) related (organizationally or professionally); belonging to the same organization
  2. related (organizationally or professionally); belonging to the same organization