单词	knotty
释义	knottyknot‧ty /ˈnɒti $ ˈnɑːti/ adjective Collocations COLLOCATIONS FROM OTHER ENTRIES► a thorny/knotty problem (=difficult)· He still faced the thorny problem of finding a way out of the jungle. COLLOCATIONS FROM THE CORPUSNOUN► problem · I have had many letters from knitters asking for help with knotty problems.· Flying is at the heart of this knotty problem.· And in fact patient research has gone a long way towards resolving this knotty problem.· Night after night, all over the country, ordinary married couples must be wrestling with exactly this sort of knotty problem. 1difficult to solve:  a knotty problem2knotty wood contains a lot of hard round places where branches once joined the tree
随便看	forgive forgiveness forgiving forgo forgot forgotten fork forked forked lightning forkful fork-lift truck forklift upgrade forlorn forlornly form Form 1040 Form 1099 formal formaldehyde formalise formalism formalist formalistic formality formalization

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