standard

1. N-COUNT A standard is a level of quality or achievement, especially a level that is thought to be acceptable. (尤指可被接受的) 水平

The standard of professional cricket has never been lower. 职业板球的水平从来没这么低过。

2. N-COUNT A standard is something that you use in order to judge the quality of something else. 标准

...systems that were by later standards absurdly primitive. …按照后来的标准衡量显得极其原始的系统。

3. N-PLURAL Standards are moral principles which affect people's attitudes and behaviour. 道德水准

My father has always had high moral standards. 我父亲一直有着很高的道德水准。

4. ADJ You use standard to describe things which are usual and normal. 常规的

It was standard practice for untrained clerks to advise in serious cases such as murder. 让未经训练的职员们在诸如谋杀等重案中提出建议是常规的做法。

5. ADJ A standard work or text on a particular subject is one that is widely read and often recommended. 权威的; 广泛认可的[ADJ n]

At twenty he translated Euler's standard work on algebra into English. 20岁时，他把尤勒的权威代数著作译成了英语。