1. There is not a particle of truth in what he says.
   他说的没一句真话。
2. There is not a vestige of truth in what he says.
   他所说的没有一句是真话。
3. There is a smack of truth in his joke.
   在他的玩笑中有一点真理。
4. They showed untiring zeal in the pursuit of truth.
   他们怀着满腔热情孜孜不倦地追求着真理。
5. Many have given their lives in the cause of truth.
   许多人献身于真理。

　1个副词解释