1、obstacle

障碍物

Most competition cars will only roll over if they hit an obstacle.

大多数赛车只有在撞上障碍物时才会翻车。

He left her to navigate her own way round the trolleys and other obstacles.

他扔下她一个人在一堆手推车和其他障碍物之间绕来绕去。

障碍；困难；阻碍

Overcrowding remains a large obstacle to improving conditions.

过分拥挤仍然是改善环境的一大障碍。

To succeed, you must learn to overcome obstacles.

必须学会克服困难才能成功。

2、overhang

悬于…之上；凸出于…之上

Part of the rock wall overhung the path at one point.

石墙的一部分在某处悬于小路的上方。

These restored houses overhang a system of quiet canals.

这些修葺一新的房屋俯视着静静流淌的运河河网。

垂悬物；凸出物

A sharp overhang of rock gave them cover.

一块凸出来的尖利岩石成了他们的避身之所。

There is a wide veranda under the overhang of the roof.

悬吊的屋顶下是一条宽阔的游廊。

搭挂在…之上

Let the pastry overhang the rim and brush between the layers with the melted butter.

用油酥面皮盖住边缘，每层之间抹些熔化的黄油。