游玩: to amuse oneself, to have fun, to go sightseeing, to take a stroll...
帮手: helper, assistant...
踏上: to set foot on, to step on or into...
擅自: without permission...
世界级: world-class...
摇摇欲坠: tottering, on the verge of collapse...
拯救: to save, to rescue...
摩托车: motorbike, motorcycle (loanword)...
或是: or, either one or the other...
带动: to spur, to provide impetus, to drive...