1. C 结　a fastening formed by tying together the ends of a piece or pieces of string, rope, wire, etc.
2. C 一小群人　a small group of people close together
3. C 硬节，节瘤　a hard mass in wood where a branch has come off a tree
4. C 节，海里/小时　a measure of the speed of a ship, about 1853 meters per hour

　do 35 ～s　时速可达35海里
　loosen a ～　把结解开
　make a ～　打结
　loose ～　易解开的结
　the Gordian ～　难办的事，复杂的问题
　bowline ～　单套结
　reef ～　平结
　in a ～　（扎）成一个结
　～s in the mind　思想上的疙瘩

　He made a knot in the rope.　他在绳子上打了个结。
　She loosened the knot.　她把结解开了。
　A knot of people stood talking outside the door.　一群人站在门外聊天。
　People were standing about in knots, waiting for the news.　人们三五成群地站着等候消息。
　A knot sometimes forms in a tired muscle.　疲乏的肌肉上有时会起硬块。
　There is a knot in the plank.　木板上有个节疤。
　The steamer makes 20 knots an hour.　这艘轮船的时速是20海里。
　The ship was going at a good rate of knots.　这艘船在高速航行。

　vt. & vi.（使）打结，缠结 make a knot or join together with a knot

　～ the laces　把鞋带系紧
　～ one's tie　打领结
　～ easily　容易打结
　～ firmly〔tightly〕　系紧
　～ loosely　系得松
　～ up　把…结在一起
　～ a rope round one's waist　把一根绳子系在某人的腰上
　～ one's hair with a ribbon　用丝带扎头发

　My thread has knotted.　我的线打结了。
　The wire is too stiff to knot easily.　这根金属线太硬，不易打结。
　My hair knots easily.　我的头发爱打结。
　She knotted the parcel firmly.　她把那个小包扎得很紧。
　Knot the end of the thread before you begin sewing.　先将线打好结您再开始缝纫。
　The girl knots her hair with a ribbon.　那个女孩用丝带扎头。
　He knotted a rope round his waist before he jumped into the water.　他跳水之前，把一根绳子系在了腰上。
　His muscles were knotted with rage.　他气得连肌肉都暴突出来了。

 ♣ knot together　(v.+adv.)
　系在一起　fasten things together with a knot or knots
　The prisoner escaped from the prison by knotting the sheets together and climbing down them out to the window.　逃犯把床单系在一起然后爬出窗外。
　He knotted two ropes together.　他打个结，把两根绳子连在一起。

　［词源］古英语cnotta（节）