nudger

例句：

1. 1. The old manwas a nudger who helped hisgrandson with his homework every evening.
   这位老人是一位推车者，每晚都帮助孙子做作业。
2. 2.The nudger pushed thecart to the store and returned withgroceries.
   推车者把购物车推到商店，并带着杂货回来了。
3. 3. The nudger was always thereto help when someone needed it most.
   当有人最需要帮助时，推车者总是在那里。