定语从句在英语中是一种常见的语法结构，它通过一个关系代词（如who, whom, whose, which, that等）引导，用来修饰名词或代词，提供额外的信息。虽然谚语通常不使用定语从句，但有些谚语中包含了定语从句的结构，使表达更加生动和形象。以下是一些包含定语从句的谚语：

Helaughsbestwholaughslast. - 谁笑到最后，谁笑得最好。

Hewhodoesnotadvancelosesground. - 逆水行舟，不进则退。

Hewhomakesconstantcomplaintgetslittlecompassion. - 经常诉苦，没人同情。

Hewhomakesnomistakesmakesnothing. - 想不犯错误，就一事无成。

He, who knows nothing but pretends to know everything, is indeed a good-for-nothing. - 不懂装懂，永世饭桶。

He that is ill to himself will be good to nobody. - 人不自爱，焉能爱人？

He laughs best who laughs last. - 谁笑到最后，谁笑得最好。（这个谚语也出现在第1条中）

He who risks nothing gains nothing. - 收获与风险并存。

Those that make the best use of their time have none to spare. - 能充分利用时间的人不会有时间多馀。

A bad beginning makes a bad ending. - 不善始者不善终。

A bad thing never dies. - 遗臭万年。

A bad workman always blames his tools. - 不会撑船怪河弯。

A bird in the hand is worth than two in the bush. - 一鸟在手胜过双鸟在林。

He who has a mind to be a dog will easily find his stick. - 欲加之罪，何患无辞。

The fire which lights us at a distance will burn us when near. - 火在远处是明灯，火在近处烧灼人。

Everything is ready, and all that we need is a east wind. - 万事俱备，只欠东风。

这些谚语通过定语从句提供了更丰富的含义，使得表达更加深刻和有趣。希望这些例子能帮助你更好地理解和运用定语从句。