have your day in court idiom
争取机会（公开地）发表意见（或为自己的行为辩护）
to get an opportunity to give your opinion on something or to explain your actions after they have been criticized
She was determined to get her day in court and the TV interview would give it to her. 她决心要公开发表意见，接受电视采访正是一个好机会。