borderline

• 指处于某种状态或条件的边缘，介于两者之间，不完全属于任何一方。

Describes something that is on the edge of a particular state or condition; not quite one thing or another.

1. Of questionable or minimal qualityB2informal

   Barely acceptable or meeting the minimum standard; of uncertain or low quality.

   勉强的

   • The food at that restaurant was borderline inedible.
   • His performance was borderline acceptable for the role.
   • The quality of the product is borderline, so I wouldn't recommend it.

   同义词doubtfuldubiousinadequatemarginalmeagerminimalquestionablesubstandardtouch-and-go

   反义词cleardecisivedefinitesuperiorunmistakable

2. On the edge of a conditionB2informal

   Very close to being something, especially something negative or extreme.

   边缘的

   • She was borderline obsessed with the idea.
   • His behavior was borderline aggressive during the argument.
   • The weather was borderline freezing, so we stayed inside.

   同义词closemarginalnear

   反义词certaincleardecideddefiniteunmistakable

• 名词，指标示两个区域、概念或状态之间分界或分界的线。

A noun referring to a line that marks a boundary or division between two areas, concepts, or conditions.

1. Boundary lineB2formal

   A line that marks the boundary between two areas, territories, or concepts.

   边界线

   • The river serves as a borderline between the two countries.
   • They drew a borderline on the map to separate the regions.
   • The borderline between the two properties is clearly marked.

   同义词borderboundarydemarcation linedividing lineedgefrontierlimitmarginperimeter