释义
v.
undo (twisted, knitted, or woven threads)
解开，松开（缠绕、编织物等）。
[no obj.](of twisted, knitted, or woven threads)become undone
（缠绕、编织物等）散开；松开
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part of the crew neck had unravelled .（毛衣）圆领部分脱线了。
unwind (something wrapped around another object)
打开，剥开（包裹物）
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he unravelled the cellophane from a small cigar .他剥开了小雪茄上的玻璃纸。
investigate and solve or explain (something complicated or puzzling)
弄清；解决；阐明（复杂问题）
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they were attempting to unravel the cause of death .他们试图查明死因。
[no obj.]begin to fail or collapse
开始崩溃；开始瓦解；开始失败
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his painstaking diplomacy of the last eight months could quickly unravel .他八个月来的辛苦外交努力可在转眼间化为泡影。