袋: pouch, bag, sack, pocket...
摇头: to shake one's head...
老虎: tiger...
走: to walk, to go, to run, to move (of vehicle), to visit, to leave, to go away, to die (euph.), from, through, away (in compound verbs, such as ), to change (shape, form, meaning)...
礼尚往来: proper behavior is based on reciprocity (idiom), to return politeness for politeness...
敲门: to knock on a door...
匹: bolt...
做到: to accomplish, to achieve...
生物: organism, living creature, life form, biological...
