probably       
adverb uk/ˈprɒb.ə.bli/ us/ˈprɑː.bə.bli/
A2 很可能;大概
used to mean that something is very likely
  I'll probably be home by midnight. 我很可能半夜到家。 
 I'm probably going - it depends on the weather. 我很可能会去——这要看天气怎么样。 
 He probably didn't even notice. 他很可能都没有觉察到。 
 Probably the best thing to do is to call them before you go. 可能最好还是在你走之前给他们打个电话。 
 - More examples
 - As you will all probably already know, election day is next week.
 - The infection was probably caused by swimming in contaminated water.
 - If you don't take professional pride in your work, you're probably in the wrong job.
 - She realized that this was probably the last time she would see him.
 - Andrew spends all his spare time playing with his computer but he'll probably grow out of it.