1
unloosen something
及物动词，后接具体物体。
He unloosened the knot carefully.
他小心地解开了绳结。
释放，解开
先理解核心含义，再看它在真实句子里的用法。
释放，解开
grant freedom to; free from confinement
He unloosened the knot carefully.
他小心地解开了绳结。
松开；解开
To unloose; to loosen.
unloosen
Base
原形
unlooses
3rd person
第三人称单数
unloosening
-ing
现在分词
unloosened
Past
过去式
unloosened
Past participle
过去分词
She unlooses the rope.
她解开了绳子。
He is unloosening the knot.
他正在松开绳结。
They unloosened the prisoner.
他们释放了囚犯。
I have unloosened the bonds.
我已经解开了束缚。
解开，释放，放松
He gently unloosens the knot to free the rope.
他轻轻解开绳结以释放绳子。
She unloosened her grip on the suitcase handle.
她松开了握着手提箱把手的手。
The sailor is unloosening the sails to catch the wind.
水手正在解开船帆以迎风行驶。
及物动词，后接具体物体。
He unloosened the knot carefully.
他小心地解开了绳结。
表示从某处解开，常接介词from。
She unloosened the rope from the post.
她把绳子从柱子上解下来。
反身用法，表示自我解脱。
He unloosened himself from the tight grip.
他从紧握中挣脱出来。
Not this
Please unloosen the knot to make it tighter.
Use this
Please tighten the knot to make it tighter.
学习者误以为前缀 un- 表示反义，认为 unloosen 是 loosen 的反义词（即“系紧”），但 unloosen 与 loosen 同义，都表示“解开、放松”。应使用 tighten 表示“系紧”。
Not this
He unloosened from the chains.
Use this
He unloosened the chains.
unloosen 是及物动词，直接带宾语，不需要介词 from。错误句子中 from 多余且造成结构不完整。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use unloosen naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.