knotty
/ˈnɒtɪ/adjective
1knottier, knottiest
full of knots多节的, 多瘤的：panelling in knotty pine.
用多节的松木做成的镶板。
1.1
- (of a problem or matter) extremely difficult or intricate（问题, 事情）棘手的, 复杂的。
派生词