Be across (something) Australia bare infinitive
Used to say that one fully understands something complex
It is difficult to carry out this project. You need to be across it.
I am finally across the problem of our company.
Can you explain this problem to me? I want to be across it.
If we want to solve this problem quickly, we need to be across the current situation first.
To understand easily what someone is thinking or feeling
Be able to understand one's behaviour or character
To try to imagine how would you feel if you were in someone's else situation
Used to describe starting to understand or learn about something.
The verb "be" should be conjugated according to its tense.
At a much higher level than other people or things
Peter is head and shoulders above the other contestants in the competition.