坦途的英文：
highway
level road

参考例句：

There is no royal road to Rome
学问无坦途

There is no royal road to learning.
求学无坦途。

There are neither shortcuts nor easy paths to the heights of science.
攀登科学高峰,既无捷径又无坦途。

There is no royal roads to learning through an airy path of brilliant generalizations.
学习不会是轻松的，这里没有精美概括的坦途。

highway是什么意思：
n. 公路；捷径

No highway option.
没什么捷径可言。

The parade stalked along the highway.
游行队伍沿着公路阔步前进。

A fast highway is being built.
一条高速公路正在修建。

level是什么意思：
n. 水平线，水平面；高度；层；水平；级别
adj. 水平的，同高度的；笔直的；平静的
v. 推平；毁坏；使平等；瞄准；变平；坦率诚实地对待

Level off the shelves with a spirit level.
用酒精水平仪把架子弄平。

But there is plenty of scope at that level.
然而在此水平上还是有足够的余地。

The worker levelled their looks at the foreman.
工人们用目光逼视着工头。

road是什么意思：
n. 马路，公路；手段
v. （狗）沿臭迹追逐（猎物）
adj. 巡回的

An accident at the intersection of North Road and Lemsford Road
在北路与莱姆斯福特路交叉口发生的事故

This road is one of the main arterial roads through the city.
该道路是该城市的主干道之一。

Road(abbr Rd)',in names of roads,esp in towns
Road缩写Rd,用于道路的名称,尤用于城镇