economical with the truthused humorously to say that someone is not telling the truth 没说实话〔幽默用法〕economical with the truth• Do not be downcast that you have been economical with the truth.• He thought I had been economical with the truth.• In insisting that no changes had been made to the original plan, his team was being economical with the truth.• In view of the Warc footnote, this statement seems to have been economical with the truth.• Members of his profession are often economical with the truth.
→ economical with the truth at economical(1)