1_What is the difference between 劳驾and 请问？ 劳驾 = excuse me, 通常表示 [让对方让开] 的尊敬的说法 eg, 劳驾，借过。【excuse me , I gotta pass】 请问 = could you tell me...礼貌的向对方提 [问] eg. 请问车站怎么走？【Could you tell me where is the bus stop?/ how can I get to the bus stop?】 2_How to say this sentence in Chinese? he walk to school every day 他每天走着去学校 on foot 步行【书】 / 用走的方式 3_What is the difference between 锻炼 and 运动？（to exercise) 锻炼，vi &vt eg. 他每天坚持锻炼（身体） 运动，vi &n, eg. 他每天都要做运动/ 他喜欢运动【he likes sports】 :)

1-劳驾 更加客套 more polite 2-他每天走路上学 3-the same