to do a medical test on a person, animal, or substance again

She decided to have herself retested for Lyme disease, and found that she did not have it.

People who have been in close contact with him will have to be retested after two weeks. 与他密接者将在两周后重新接受检测。

The blood of one donor was retested and came back positive.

to test something again in order to make sure it is safe, works correctly, etc., or to find out if something is present

The building was cleaned and retested, then opened for business on Tuesday.

Consultants will re-test soil samples taken from the area. 咨询部门将重新测试从该地区采集的土壤样本。

to give someone another set of questions in order to measure their knowledge or ability again

Secondary schools do not appear to trust data provided by primary schools, and retest all children in their first term.

All employees will be re-tested in basic maths and English every three years. 所有员工将每三年重新进行一次基础数学和英语测试。

an occasion on which someone is given questions or practical activities again in order to give them a second chance to show what they know or what they can do

Students who scored "unsatisfactory" on the test had the option of going to summer school and taking a retest.

A lot of these students get promoted even if they haven't passed the retest. 许多学生即使没有通过补考也能升级。

an occasion on which someone is given a medical examination of part of their body again in order to check whether the result of the first test was correct

If you had your last blood pressure check shortly after your third cup of morning coffee, get a retest.

A retest of the blood donor came back negative. 献血者的复查结果为阴性。

an occasion on which something is checked again to find out if it is safe, working correctly, or effective

The company ordered a retest of the metal alloy used to make the necklaces, and is awaiting results.

In the published retest, there was a wire with damaged insulation and the manufacturer was asked to check it out. 在公布的复检结果中，有一根电线的绝缘层损坏，要求制造商对其进行检查。