vt.

1. 篡改；伪造；歪曲
   After scrupulous comparison, we find that these historical records have been falsified.

   经过仔细的比对之后，我们发现这些历史记录是经过篡改的。

2. 证明……虚假

vi.

1. 撒谎

v.

1. alter (information or evidence) so as to mislead.
2. prove (a statement or theory) to be false.