别让我分神，我要专心学习。
Don't distract me. I'm trying to concentrate on my studying.
阿美：嗯，首先，你上课的时候要专心听讲。
May: en, first you should be concentrated on what the teacher said in class.
不仅要专心做好防守，同时要有能力参与快速反击。
Not only do they have to operate well in defence, they also have to be able to switch quickly into attacking mode.
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