21.6.22. 集中精力不要跑题 英语怎么说？ You need to focus.

21.6.22. 集中精力不要跑题 英语怎么说？ You need to focus. Stick to the questions. 你需要集中精力， 不要跑题。 Please focus your minds on the following problem. He prefers to focus on the positive. I managed to stick to the diet and keep off sweet foods. We don't want to hear your opinions; stick to the facts!