to walk carefully (step by step); to grope one's way
to trace; to track; to detect
to check carefully

to soothe or appease (a crying or tantrum-throwing baby)

trò
noun

trick; artifice
comedy; amusement
play; game; facetiousness
Short for học trò (“pupil”).

pron

(dated) you (used by a teacher when talking to a student in their class)