没有达到标准英语

Your performance in the exam did not reach the required standard

don't stand up to the standardas is known to us all

unqualifiedwell-known

Your examination results are not to reach the required standards

havenot achieved the goal (which i want)第二句一样 as we all no

达不到标准

substandard; Fail to reach the standard

[例句]各采样项目的合格率虽然均在80.00%以上，但还达不到标准的消毒灭菌要求，还存在医源性传播的隐患。 The qualified rate of samples was above 80.00%, but could not reach the standard for disinfection, and also had the potential risk of medical infection.

其中一些达不到标准的无性系浓缩胶乳，用磷酸盐处理可以改善它们的机械稳定性，但对海垦1胶乳无效。 Treatment with phosphate may raise the mechanical stability of latices which fall short of the Standard, but it has no effect on latex from the clone Haiken 1.