中文版：我正在学习韩语，请给我提供一些常见的韩语词汇，并告诉我如何记忆和使用它们。请按照日常使用频率排序，附上罗马音、词性和例句。

英文版：I am learning Korean. Please provide me with some common Korean vocabulary and tell me how to memorize and use them. Please sort by daily usage frequency, and attach Romanization, parts of speech, and example sentences.

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