unacceptable

• 表示某事不能满足要求、标准或期望，因此不能被接受或容忍。

Describes something that is not satisfactory or allowable; not meeting the required standards.

1. Not satisfactoryB1formal

   Not adequate to meet a required standard or to give satisfaction.

   不可接受的

   • The quality of the work was unacceptable.
   • His explanation was deemed unacceptable by the committee.
   • The level of service provided was completely unacceptable.

   同义词deficientinadequateinferiorpoorsubstandardunsatisfactoryunsuitable

   反义词acceptableadequatepassablesatisfactorysufficienttolerable

2. B1formal

   Not acceptable or not welcome in a given situation.

   不可接受的

   • Such behavior is unacceptable in a professional environment.
   • The proposal was unacceptable to the majority of the board.
   • Any form of discrimination is unacceptable.

   同义词inadmissibleobjectionableundesirableunwantedunwelcome

   反义词acceptablewelcome

3. Improper behaviorB2formal

   Used to describe the behavior of a person that is not considered proper or appropriate.

   不可接受的行为

   • His rude comments were unacceptable.
   • The student's conduct was unacceptable and led to a suspension.
   • Unacceptable behavior will not be tolerated.

   同义词disgracefulimpermissibleinappropriateindecorousintolerableobjectionableunfittingunseemly

   反义词acceptableappropriatefittingpropersuitable

4. Nonstandard usageC1formal

   Not conforming to standard usage or accepted norms.

   不可接受的

   • The grammar in that sentence is unacceptable.
   • Using slang in a formal essay is unacceptable.
   • The spelling errors made the document unacceptable.

   同义词improperincorrectnonstandardsubstandardungrammatical