2) There's no royal road to learning.
学无坦途。
3) There is no royal road to Rome
学问无坦途
4) There is no royal road to geometry.
几何无坦途。
5) The course of true love never does run smooth.
至爱无坦途。
6) The path of duty is the path of safety.
忠于职守乃坦途。
补充资料：坦途
1.见"坦涂"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条