Your first thought could be that it's time to refactor, but doing so would break the first rule of refactoring, which is to write a test case.

您首先想到的可能是：到重构的时间了，但这样做将打破第一个重构规则，即将编写一个测试用例。

youdao

As a rule, reuse it one time before disposal, and reuse it within a few weeks after the first use.

作为一个规定，在烹炸用油丢弃前只重复使用一次，且在第一次使用后的几周内重复使用。

youdao

First rule of decision making: More time does not create better decisions.

制定决策的第一准则：时间越多做出的决定不一定越好。

youdao

This week, the United States for the first time refused to rule out deploying troops.

ECONOMIST: Colombia's conflicts

Reacting to these tragedies, the NCAA has for the first time established a rule for mandatory testing of all student athletes in D-1 schools.

FORBES: The Devilish Details Of The NCAA's New Genetic Testing Rules

Since the time of the first Neanderthal primary, rule No. 1 in politics has been to tell people what they want to hear.

CNN: Campaign diary of Steve Lopez: Bradley's soft sell