1. by accident (=in a way that is not planned or intended)ad.偶然，意外地
2. of one's own accord (=without being asked or forced to do something)ad.自愿地，主动地(做某事)
3. be in accord with sb/sth (=a situation in which two people, ideas, or statements agree with each other)v.同…相一致，与…相符合
4. with one accord (=if two or more people do something with one accord, they do it together or at the same time, because they agree with each other)ad.一致地，意见一致地(做某事)
5. in accordance with sth (=according to a rule or the way that sb says that sth should be done)prep.依照，根据，按照
