明哲保身 [ㄇㄧㄥˊ ㄓㄜˊ ㄅㄠˇ ㄕㄣ; ming2 zhe2 bao3 shen1]
  a wise man looks after his own hide (idiom)
  to put one's own safety before matters of principle
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  明哲保身
  めいてつほしん
  noun (common) (futsuumeishi)
  wisdom and self-protection
  wise and skilled in the art of self-protection
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