take the fifth meaning in English

拒绝作危害自己的证词
无可奉告

Do you mind ? take the fifth
你介意吗?干完这五分之一
Can i take the fifth
我要怎样才能保持沉默呢
A : you shouldn ' t take the fifth in this issue . it could affect your promotion
?对这件事情不该保持沉默，它可能会影响?的升迁。
Its significance lies in that the financial scope takes the fifth seat , just behind the four national banks . its particularity lies in that it is not a real financial system doing the financial business , to be more specific , doing the limited financial business , but belongs to the post office administratively
中国邮政自1986年恢复开办邮政储蓄以来, 20年时间里它已发展成为仅次于四大国有商业银行的机构,在中国金融市场领域发挥着越来越重要的地位和作用,同时一些与市场经济客观规律不符的问题和矛盾逐渐加深。