立彬の日本語
彼女のことでそんなに真剣に悩む必要はなかったのに。
tbd
You need not have worried about her so seriously.
397
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彼女， かのじょ
1. she, her
2. girlfriend
她；女朋友
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そんなに
1. so much, so, like that
tbd
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真剣， しんけん
1. serious, earnest
2. real sword (as opposed to a wooden practice weapon)
严肃的，认真的；真剑(相对于木制练习武器而言)
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悩む， なやむ
1. to be worried, to be troubled
感到担忧，感到烦恼
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必要， 必用， ひつよう
1. necessary, needed, essential, indispensable
2. necessity, need, requirement
必要的，必需的，必不可少的，不可缺少的；必要性，需要，要求
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ない， 無い
1. nonexistent, not being (there)
2. unowned, not had, unpossessed
3. unique
4. not, impossible, won't happen
5. not
6. to not be, to have not
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のに
1. although, despite, even though, and yet
2. whereas, while
3. if only, I wish
4. in order to
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の
1. indicates possessive
2. nominalizes verbs and adjectives
3. substitutes for "ga" in subordinate phrases
4. (at sentence-end, falling tone) indicates a confident conclusion
5. (at sentence-end) indicates emotional emphasis
6. (at sentence-end, risi...
句尾起强调作用；助词，表示所有关系
こと， 事， 縡
1. thing, matter
2. incident, occurrence, event, something serious, trouble, crisis
3. circumstances, situation, state of affairs
4. work, business, affair
5. after an inflectable word, creates a noun phrase indicating something the speaker does not ...
tbd
で
1. at, in
2. at, when
3. by, with
4. within, in
5. and then, so
6. and, then
7. let me tell you, don't you know
表示范围
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
