tripper

名词 tripper:

1. (slang) someone who has taken a psychedelic drug and is undergoing hallucinations
2. a walker or runner who trips and almost falls
   同义词：stumbler
3. a tourist who is visiting sights of interest
   同义词：sightseer, excursionist, rubberneck
4. a catch mechanism that acts as a switch
   同义词：trip

1. The beach was packed with day trippers.
   海滩上到处都是当日远足的人。