n.欄干；障礙
[計算機] 障礙.
vt.跨越某物
I defy you to jump that high hurdle. 我倒要看看你能不能跳過那高欄。
His horse fell as it jumped the last hurdle. 他的馬在跨躍最后一個跳欄時跌倒了。
You have to hurdle to London and get the intelligence back. 你得克服困難到達倫敦把那份情報取回來。
