不服水土 bù fú shuǐ tǔ

DEFINITIONS

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

CHARACTERS

不 bù no, not; un-; negative prefix
服 fú clothes; wear, dress
水 shuǐ water, liquid, lotion, juice
土 tǔ soil, earth; items made of earth