n.分界；邊界線(xiàn)

adj.邊緣的；接近的

The borderline between love and hate is often thin. 愛(ài)與恨的分隔總是很薄弱的。

This biography sometimes crosses the borderline between fact and fiction. 這部傳記有時(shí)混淆了事實(shí)和虛構(gòu)。

The two armies clashed on the borderline. 兩軍在邊界發(fā)生了沖突。

I'm not sure whether to pass him or fail him; he's a borderline case. 我拿不定主意給他及格還是不及格，他處于兩可的情況下。