不服水土

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

CEDICT

to not be accustomed to the local climate; to be not acclimatized (of an outsider)

Wiktionary

不适应某地的气候、饮食等。《三国演义．第四四回》：「驱中国士卒，远涉江湖，不服水土，多生疾病。」《红楼梦．第六六回》：「方知薛蟠不惯风霜，不服水土，一进京时便病倒在家，请医调治。」也作「不伏水土」、「不习水土」。

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 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
2 水土 shuǐtǔ
  1. water and soil
  2. surface water
  3. natural environment (extended meaning)
  4. climate

Related entries

水土不服 shuǐtǔbùfú not acclimatized