落伍

luòwǔ
  1. to fall behind the ranks
  2. to be outdated

CEDICT

  1. (figurative) to be behind the times; to be outdated
  2. (military) to fall behind the ranks
  3. to be behind the times; to be outdated
  4. to fall behind the ranks

Wiktionary

  1. 比喻事物、思想行动跟不上时代潮流。
  2. 行动缓慢，跟不上队伍。

重編國語辭典

  1. 事物、思想行动跟不上时代潮流
  2. 行动缓慢，跟不上队伍

維基詞典

Entry Composition

1 落 luò
  1. to fall or drop
  2. (of the sun) to set
  3. (of a tide) to go out
  4. to lower
  5. to decline or sink
  6. to lag or fall behind
  7. to fall onto
  8. to rest with
  9. to get or receive
  10. to write down
  11. whereabouts
  12. settlement
2 伍 wǔ
  1. squad of five soldiers
  2. to associate with
  3. five (banker's anti-fraud numeral)