I've read this report carefully and I can vouch for its truthfulness.
我已仔细看过这份报告,我可以保证它的真实性。
I fired a hundred questions concerning the truthfulness of his statement.
我对他发言的真实性提出一连串质问。
The reporter raised a question touching the truthfulness of his statements.
记者对他发言的真实性提出疑问。
n. 真实;坦率;正当
reality、
sincerity、
true、
righteousness