obstacle

n. 障碍，干扰；妨害物

中文词源

obstacle 障碍

ob-,相对，对着的，-st,站，站立，词源同stand.即对着站的，站在对面的，引申词义障碍。

obstacle (n.): mid-14c., from Old French obstacle, ostacle "opposition, obstruction, hindrance" (13c.) or directly from Latin obstaculum "a hindrance, obstacle," with instrumental suffix *-tlom + obstare "stand before, stand opposite to, block, hinder, thwart," from ob "against" (see ob-) + stare "to stand," from PIE root *sta- "to stand" (see stet).
The lover thinks more often of reaching his mistress than the husband of guarding his wife; the prisoner thinks more often of escaping than the gaoler of shutting his door; and so, whatever the obstacles may be, the lover and the prisoner ought to succeed. [Stendhal, "Charterhouse of Parma"]
Obstacle course is attested from 1891.

2. A lack of qualifications can be a major obstacle to finding a job.: 学历不足可能成为谋职的主要障碍。

4. He is in the full flush of success ; nothing was an obstacle .: 他的成就如日中天, 锐不可当.

5. Lack of money has proved an almost insurmountable obstacle.: 资金不足已成为一个几乎无法逾越的障碍.