bù​jiàn​yī​diǎn​zōng​yǐng

not a trace to be seen

  1. to not show
    (bound form) to show no sign of; to lack evidence of being or becoming
  2. [not] at all
    Used with dōu or in negative sentences to mean "not at all" or "not in the least".
  3. trace
    trace; vestige; presence; a sign of where a person or thing has been