水土不服

shuǐtǔbùfú
not acclimatized

CEDICT

  1. to be unaccustomed to a new place; to not be acclimatised
  2. to have traveler's diarrhea; tourista

Wiktionary

因生活环境的变迁所造成的不适应。《水浒传．第一○一回》：「说军士水土不服，权且罢兵，以致养成大患。」《镜花缘．第四四回》：「奈小山受不惯海面风浪，兼之水土不服，竟自大病。」也作「水土不伏」。

重編國語辭典

因生活环境的变迁所造成的不适应

維基詞典

Entry Composition

1 水土 shuǐtǔ
  1. water and soil
  2. surface water
  3. natural environment (extended meaning)
  4. climate
2 不服 bùfú
  1. not to accept sth
  2. to want to have sth overruled or changed
  3. to refuse to obey or comply
  4. to refuse to accept as final
  5. to remain unconvinced by
  6. not to give in to

Related entries

不服水土 bùfúshuǐtǔ
  1. (of a stranger) not accustomed to the climate of a new place
  2. not acclimatized