bù​néng​yuè​léi​chí​yī​bù

cannot overstep the limit

  1. cannot
    To be unable to; to be incapable of doing something due to external circumstances or lack of ability
  2. yuè verbparticle
    to jump over
    to cross over; to jump over; to climb over (a fence, mountain, etc.)
  3. limit
    (literary) a boundary or restricted area; usually used in the phrase 不敢越雷池一步 bù​gǎn​yuè​léi​chí​yī​bù, meaning one must not overstep the mark
  4. 一步 yī​bù numeralnoun
    one step
    The distance covered by one stride while walking; often used to describe a very short distance or time.