unfastened

• 形容某物未被关上、固定或系紧的状态；可以是敞开的、松开的或自由的。

Describes something that is not closed, secured, or tied; loose or open.

1. Not closed or securedB1formal

   Something that is not fastened, closed, or secured; loose or open.

   未固定的

   • The gate was left unfastened and swung open in the wind.
   • Her seatbelt was unfastened during the entire ride.
   • The package arrived with the tape unfastened.

   同义词detachedlooseopenunboltedunbuttonedundoneunlatchedunlockedunsecured

   反义词closedfastened

2. Released or undoneB1formal

   Describes something that has been untied, unbuttoned, or unzipped.

   解开的

   • His shoelaces were unfastened, causing him to trip.
   • The collar of her shirt was unfastened.
   • The rope was unfastened from the dock.

   同义词looseopenunbuttonedundoneunlatchedunsecureduntied

   反义词buttonedclosedfastenedtied

• 动词，指解开、松开或打开原本系紧、扣上或固定住的东西。

A verb used to indicate the act of opening, releasing, or detaching something that was fastened or secured.

1. Cause to become undoneB1formal

   To open or release something that is fastened, such as a button, buckle, or lock.

   解开

   • She unfastened her seatbelt after the plane landed.
   • He unfastened the clasp on his necklace.
   • Please unfasten the lock before opening the gate.

   同义词loosenreleaseunbuckleunbuttonunclaspundounhookunlaceunlockuntieunzip

   反义词attachbindbucklebuttonclaspclosefastenlocksecuretie

2. Become undone or untiedB1formal

   To become loose or detached, often referring to something that was previously secured.

   解开

   • The knot unfastened as the rope was pulled.
   • Her shoelaces unfastened while she was running.
   • The latch unfastened due to the strong wind.

   同义词detachloosenslacken

   反义词attachbindfastensecuretie