形容詞 untrue:

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

1. It appears that what I said was untrue, but I did not knowingly lie to you.
   看來我說錯了，但是我并非故意向你撒謊。
2. What I said was untrue but he fell for it/swallowed it(ie believed it) hook, line and sinker.
   我所說的并非實話，他卻完全信以為真。
3. He exclaimed that it was untrue.
   他大聲說那不是事實。
4. This, it later transpired, was untrue.
   此事後來得知不屬實。
5. Your allegations are completely untrue, and I demand an immediate apology.
   你的說法完全不真實，我要求立即道歉。
6. What he said was untrue.
   他說的是假的。