borderline
adj. 临界的；边界的；所属不清的；暧昧的
n. 边界线，边界；中间地带；暧昧状态
adv. 几乎；差不多
复数 borderlines
例句
This biography sometimes crosses the borderline between fact and fiction.
这部传记有时混淆了事实和虚构。
《牛津词典》
Some were obviously unsuitable and could be ruled out at once. Others were borderline cases.
一些显然不合适，可以马上被排除。另一些勉强合格。
《柯林斯英汉双解大词典》
In borderline cases teachers will take the final decision, based on the student's previous work.
在难以定夺的情况下，教师将根据学生先前的作业做出最终评分。
