慎之又慎
shèn​zhī​yòu​shèn

to be extremely cautious

  1. 慎 shèn adjective
    cautious
    (bound form) careful; cautious; prudent; used as a root in words like 谨慎 jǐn​shèn or 慎重 shèn​zhòng
  2. 之 zhī particle
    [nominalizer]
    Used between a subject and a verb to turn the phrase into a noun-like unit.
  3. 又 yòu adverbconjunction
    and
    Moreover; additionally; indicates a further step in meaning or an addition to a range
  4. 慎 shèn adjective
    cautious
    (bound form) careful; cautious; prudent; used as a root in words like 谨慎 jǐn​shèn or 慎重 shèn​zhòng