晚节不终
wǎn​jié​bù​zhōng

to lose one's integrity in late life

  1. 晚节 晚節 wǎn​jié
    integrity in one's later years
    The moral character or integrity maintained during one's old age
  2. 不 bù adverb
    not
    Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
  3. 终 終 zhōng adverbadjective
    end
    (bound form) end; finish; the final stage or conclusion of something, opposite of 始 shǐ