求下列短语意思
问题描述：
求下列短语意思
1.It is said at
2.It is supposed that
3.It will be said that
4.It is well known that
5.It is asserted that
答
1.It is said that 据说
2.It is supposed that 据推测/猜测
3.It will be said that 将被说成
4.It is well known that 众所周知
5.It is asserted that 据称