Law, or Code, of honor, certain rules by which social intercourse is regulated among persons of fashion, and which are founded on a regard to reputation.
That such men should turn encounters with an enemy into trials of skill, subject to certain rules of fairness and courtesy, though conducted with sharp weapons and in deadly earnest, is also natural.
Had you taken her face and measured it by certain rules, you would have found that her mouth was too large and her nose irregular.
His object was not so much to run a fox as to kill him in obedience to certain rules of the game.
Servitudes must not be confounded[380] with those general restrictions upon territorial supremacy which, according to certain rules of the Law of Nations, concern all States alike.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "certain rules" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.