单词borderline
adj.: 所属不清的；两可之间的；临界的
n.: 两种品质（或状况）之间的分界线
网络: 边界；边缘；边界线
所属不清的；两可之间的；临界的:
not clearly belonging to a particular condition or group; not clearly acceptable
两种品质（或状况）之间的分界线:
the division between two qualities or conditions
〔教〕及格分数线
国境线
边界;国界
分界线;界限;临界线
两可的,不明确的;语义暧昧的〔尤指近于下流的〕
在国界[公界线]上的
〔心〕边缘的
复数：borderlines
Adj.+n.:
borderline case
adj.marginaldisputeduncertaindoubtfulunclearn.dividing linemidpointindeterminate statelimbofrontier
adj.clear-cut
Cheng, the only child in her family, is 29, a borderline "old maid" as far as her mother is concerned.
程，家里的独身子女，29岁，处在“老处女”的边缘，正如她母亲所担心的。
That"s 20 out of 21 years that there has been a borderline superstar available at the top of every draft board.
21年里有20年都是会出现选秀靠前的球员会出现超级巨星这样的情况。
If there are feeds on the borderline, I would drill down into them for a couple of weeks to see if I actually read any of their posts.
如果有些源落在了边界，你不知道他们是否有价值，那么我会把他们放到一个观察的地方，观察一两周看看他们是不是真的没有价值。
Ms. Liu Min devotes herself to the borderline culture and absorbs all lines and colors in her vision of life with all her sight and mind.
一头扎入边缘文化而不自拔，用目光、心智汲取生命视域里所有的线条和全部的色彩。
Allen is a genius who remains "borderline repulsed by the grotesque nature of my affection. "
艾伦是一个天才，他总是“被我那奇怪的爱的本性含糊不清地抗拒着”。
The borderline between love and hate is often thin.
爱与恨的分隔总是很薄弱的。
The scene is a strange, borderline psychedelic dance number that plays like an out-take from "Fantasia. "
整个场景就像是直接从“狂想曲”剪接过来的舞蹈片段，既奇怪又带有边缘迷幻色彩。
In fact, to hear the new president speak, the frontiersman "s version of the American Dream was borderline malevolent.
事实上，听总统任职演讲，边境人对于美国梦的诠释有恶意性。
Any vehicle is not allowed to park out of the borderline and disturb drive way.
任何车辆不得停泊于划定车位界线以外之任何地方，亦不得妨碍本停车场出入的任何车道
This task is not an easy one, because there exist borderline or twilight zones in which these concepts overlap or shade into one another.
这并非易事，因为这些概念总有一些模糊地带相互重叠或交叉渗入。