explain

US /ɪkˈsplen/

UK /ɪk'spleɪn/

A1TOEIC
v.t.Transitive VerbTo make clear or easy to understand by describing
Please explain how you earned so much money but paid no tax, isn’t that immoral?
v.t.Transitive VerbTo give a reason for something.
Can you explain why you were late?
v.t.Transitive VerbTo be the reason for or cause of something.
The increase in sales explains the company's profits.