Title: HSK / HSK1 / HSK1-01.dictionary.en

Translated: 1: you (informal, as opposed to courteous 您[nin2])
2: you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
Pinyin: nǐ
Simplified: 你

Translated: 1: good
2: (before a verb) good to
Pinyin: hǎo
Simplified: 好

Translated: 1: you (courteous, as opposed to informal 你[ni3])
Pinyin: nín
Simplified: 您

Translated: 1: hello; hi
Pinyin: nǐ hǎo
Simplified: 你好

Translated: 1: hello (polite)
Pinyin: nín hǎo
Simplified: 您好

Translated: 1: I'm sorry; excuse me; I beg your pardon
Pinyin: duì bu qǐ
Simplified: 对不起
Traditional: 對不起

Translated: 1: it doesn't matter
Pinyin: méi guān xi
Simplified: 没关系
Traditional: 沒關係