a marching order的用法和样例：
- Bill got the job by getting up earlier than Mike. Bill stole a march on Mike.
- A marching army usually makes camp every night.
- My daughter's boyfriend started to be a nuisance so I gave him his marching orders.
- The army stole a march on the enemy by marching at night and attacking them in the morning.
- It was unexpected that you stole a march on me.
- The children are playing a march.