我不知道怎样聚焦的翻译：I don't know how to focus 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

翻译结果1 翻译结果2 翻译结果3 翻译结果4 翻译结果5

I do not know how to focus

I don't know how to focus

I did not know how focuses

I do not know how to focus on

I don't know how to focus

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