a bit of dust的用法和样例：
- Quite a bit of dust can be expelled with the first few blasts of air.
- It all starts with a tiny bit of dust.
- A bit of embrocation will soothe your bruised knee.
- Setting up this business was a bit of a gamble.
- The party was a bit of a damp squib.
- Don't rely on his memory he's a bit of a dreamer.
a bit of dust的相关资料：
a a callous killer/attitude/act a peaceful/violent demonstration a relaxation of travel restrictions a bundle of ideas/considerations a capital - intensive industry. a textbook designed for cramming. A Handbook of General Psychology. A knotty problem of long-standing A naturally rounded paving stone. a sardonic comment/smile/tone