un·fas·ten
verb/ʌnˈfɑːsn/
/ʌnˈfæsn/
Verb Forms
| present simple I / you / we / they unfasten | /ʌnˈfɑːsn/ /ʌnˈfæsn/ |
| he / she / it unfastens | /ʌnˈfɑːsnz/ /ʌnˈfæsnz/ |
| past simple unfastened | /ʌnˈfɑːsnd/ /ʌnˈfæsnd/ |
| past participle unfastened | /ʌnˈfɑːsnd/ /ʌnˈfæsnd/ |
| -ing form unfastening | /ʌnˈfɑːsnɪŋ/ /ʌnˈfæsnɪŋ/ |
- unfasten something to open something that is fastened
解开；松开；打开 - to unfasten a belt/button, etc.
解开皮带、纽扣等 - Passengers are permitted to unfasten their seat belts.
乘客获准解开安全带。
Oxford Collocations DictionaryUnfasten is used with these nouns as the object:- belt
- buckle
- button
- …
- to unfasten a belt/button, etc.