hard and fast

常见例句

That country now has a hard and fast rule against a teacher taking money to raise a student's grade.
那个国家现在有一个严格的规定，禁止老师接受钱来提高一个学生的分数。
There are no hard and fast rules for which approach you take and when; each approach has advantages at different times within your portal lifecycle.
对于所采用的方法和何时采用这些方法没有严格的规定；在门户生命周期中，每种方法在不同时间都有优点。
For now, no moves look imminent, but its leap into Argentina's energy sector last year proved that when China makes up its mind, it seizes opportunities hard and fast.
现在还看不出任何即将采取动作的迹象，但从去年进入阿根廷能源行业的动作来看，一旦中国下定决心，就会迅速牢牢地抓住机遇。
robertafnani.com

He was also known as a very aggressive hitter, swinging hard and fast at almost any ball.
Hence, selfish genes will lead to altruistic animals because, to the extent that evolution operates at the level of the genes, there's no hard and fast distinction between your own body and someone else's body.
所以，自私基因会导致利他行为，从这个意义上说,进化在基因层面进行，你自己的身体和别人的身体,没有严格差别。
耶鲁公开课 - 心理学导论课程节选
RAM You probably know your computer has something called RAM which is where documents and programs live just temporarily while you're running them 'cause RAM tends to be pretty fast and whereas your hard disk is where programs and files live permanently.
也许你知道电脑有一个,正在使用的程序和文件都暂时存放在那里,而且会加快电脑速度,而硬盘是程序和文件,永久存储的地方。
哈佛公开课 - 计算机科学课程节选

Cyber Monday was meant as a counter PHRASE rather than a hard and fast date.
FORBES: Sorry, Retailers--Cyber Monday's Days Are Numbered*