untrue

形容词 untrue:

1. not according with the facts
2. not true to an obligation or trust-Bruno Laske
3. not accurately fitted; not level
   同义词：out of true
4. (used especially of persons) not dependable in devotion or affection; unfaithful
   同义词：false

1. It appears that what I said was untrue, but I did not knowingly lie to you.
   看来我说错了，但是我并非故意向你撒谎。
2. What I said was untrue but he fell for it/swallowed it(ie believed it) hook, line and sinker.
   我所说的并非实话，他却完全信以为真。
3. He exclaimed that it was untrue.
   他大声说那不是事实。
4. This, it later transpired, was untrue.
   此事後来得知不属实。
5. Your allegations are completely untrue, and I demand an immediate apology.
   你的说法完全不真实，我要求立即道歉。
6. What he said was untrue.
   他说的是假的。