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unrequited + noun
常放在 love、affection、passion 等情感名词前作定语。
He suffered years of unrequited love.
他多年来饱受单恋之苦。
无回报的；得不到报答的；单恋的
先理解核心含义，再看它在真实句子里的用法。
无回报的；得不到报答的；单恋的
not returned or reciprocated
He suffered years of unrequited love.
他多年来饱受单恋之苦。
未回报的；未互惠的；未偿还的。
Not returned; not reciprocated; not repaid.
After years of unrequited love, she finally decided to move on.
经历多年单恋后，她终于决定向前看。
He kept writing poems even though his affection was clearly unrequited.
尽管他的感情明显没有回报，他仍继续写诗。
His devotion remained unrequited, but he never complained.
他的深情始终没有得到回报，但他从不抱怨。
常放在 love、affection、passion 等情感名词前作定语。
He suffered years of unrequited love.
他多年来饱受单恋之苦。
作表语时，主语通常是 feeling、love、affection 等表示情感的词。
His love for her was unrequited.
他对她的爱没有得到回应。
remain unrequited 强调这种无回报的状态一直持续。
Her feelings for him remained unrequited until the end.
她对他的感情直到最后都没有得到回应。
Not this
She has unrequited love to him.
Use this
She has unrequited love for him.
英语中表示“对某人的爱”时，介词应用 for 而非 to，unrequited love for someone 是固定搭配。
Not this
He is unrequited.
Use this
His love is unrequited.
unrequited 是形容词，意为“无回报的”，通常修饰 love、affection 等抽象名词，不直接修饰人；表示“他单恋”应说 His love is unrequited 或 He has unrequited love。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
单恋；单相思
He spent years nursing an unrequited love for his best friend.
他多年来一直默默单恋着他最好的朋友。
得不到回应的爱慕
Her unrequited affection for the professor colored her entire freshman year.
她对教授得不到回应的爱慕影响了她整个大一学年。
单方面的感情
It is painful to confess unrequited feelings to someone who sees you only as a friend.
向只把你当朋友的人表白单方面的感情是很痛苦的。
单相思；单恋
After years of unrequited love, he finally moved on.
在经历了多年的单恋之后，他终于放下了。
得不到回报的爱是唯一持久的爱。
He wrote poems about his unrequited love for the woman next door.
他写诗倾诉他对隔壁那位女士的单恋。
Use unrequited naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
un（不）+ requited（回报）→ 没有回报的；想记住它，就想象单恋时付出真心却得不到回应的画面，那份感情就是 unrequited。
语域：formal 常见场景：文学作品、诗歌、正式评论或书信 unrequited 多用于书面或较正式语境，常见搭配是 unrequited love（单恋、得不到回报的爱）；日常口语中更常说 one-sided。
与 unrequited /ˌʌnriˈkwaɪtɪd/ 真正押韵且拼写相近的有 united /juˈnaɪtɪd/、ignited /ɪɡˈnaɪtɪd/、incited /ɪnˈsaɪtɪd/，它们都以 -ited 结尾，发音均为 /aɪtɪd/。注意：required /rɪˈkwaɪərd/ 与 unrequited 拼写相似但读音不同，结尾是 /-ərd/ 而非 /-aɪtɪd/；quite /kwaɪt/ 出现在 unrequited 的词尾 quited（quite + d）中，但没有末尾的 /ɪd/，不押韵；acquitted /əˈkwɪtɪd/ 拼写为双写 t 的 quitted，且元音为 /ɪ/，也不押韵。
Dictionary facts from ECDICT, WIKTIONARY.