Word
fastened
系牢，系紧；(使)关紧
past tense and past participle of fasten; to make something secure or closed
fasten的过去式和过去分词
- 1.
imp. & p. p. of Fasten
(使两物)系牢( fasten的过去式和过去分词 ); 系紧; 使牢固; (使)关紧
(使两物)系牢( fasten的过去式和过去分词 ); 系紧; 使牢固; (使)关紧
In use
She fastened the necklace around her neck.
The seatbelt was fastened securely across his lap.
The lid of the jar fastened tightly after being screwed on.
fasten sth to sth
He fastened the rope to the tree.
他把绳子系在树上。
fasten sth with sth
She fastened the necklace with a clasp.
她用扣子把项链系好。
fasten sth (up)
“fasten up”也可表示“扣紧”，但“up”常可省略。
He fastened his coat before going out.
他出门前系好了外套。
Verb forms
base fasten · third person fastens · -ing fastening · past fastened · past participle fastened
规则动词，过去式和过去分词同形，常与to/with连用。
Common mistakes
He fastened the rope on the tree.He fastened the rope to the tree.
介词错误：表示‘系在…上’时，应用to，而非on。fasten常与to连用表示固定或系于某处，而on多表示‘在…之上’，不表示固定附着。
Please fasten your shoelaces.Please tie your shoelaces.
动词选择不当：fasten多用于扣合或固定（如安全带、纽扣），而系鞋带通常用tie表示打结系紧。受中文‘系’一词多义影响，学习者易误用fasten。
Connections
Learner notes
Grammar Note
动词的过去式和过去分词，可及物或不及物，常与to/with连用。
Dictionary facts from AI_FALLBACK, ECDICT.