固定；系牢
关紧；扣住；(使两物)系牢( fasten的过去式和过去分词 ); 系紧; 使牢固; (使)关紧
to attach or fix something securely in position
(使两物)系牢( fasten的过去式和过去分词 ); 系紧; 使牢固; (使)关紧
imp. & p. p. of Fasten
一般现在时
She fastens her seatbelt before driving.
她开车前系好安全带。
一般过去时
He fastened the rope to the tree.
他把绳子系在树上。
现在完成时
They have fastened all the windows securely.
他们已经把所有窗户关紧了。
规则动词，过去式和过去分词同形，常与to/with连用。
The picture frame was fastened to the wall with two small nails.
画框用两颗小钉子固定在墙上。
用法提示：这里用被动语态强调画框被固定在墙上，fastened表示“固定”。
Please make sure the straps are fastened before you take off.
起飞前请确保安全带系好。
用法提示：fastened作过去分词，表示安全带被扣紧，强调“系牢”。
He fastened the leash to the dog's collar and went for a walk.
他把狗绳系在狗的项圈上，然后去散步。
用法提示：fastened作谓语动词，表示“把……系在……上”。
Choose the next layer that will help you use fastened with more confidence.
Recommended next
Preparing Usage patterns & Collocations
Learn how to use this word with grammar patterns and natural collocations.
Preparing Common mistakes & Confusing words
See typical errors learners make and confusing words to avoid.
More ways to explore
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Includes Spelling & sound
Explore words with similar spelling endings or sounds.
Includes Word components & Thematic vocabulary
Learn how to build related words using roots, prefixes, and thematic clusters.
Includes Idioms & Cultural references
Discover idioms, slang, and famous pop culture quotes.
Includes Context & register & Memory tip
Analyze the context and learn memory tricks to remember it.
Dictionary facts from AI_FALLBACK, ECDICT.
