That may or may not be true.

　　這可能是真的，也可能不是。

　　The novel is based on a true story.

　　這部小說是根據真實的故事寫成的。

　　He reveals his true character to very few people.

　　他沒有向什么人顯露過他的真實性格。

　　Our results should be a good approximation to the true state of affairs.

　　我們的結果應該和實際情況相當接近。

　　He was a true friend, in every sense of the word.

　　無論從哪個角度講，他都是個真正的朋友。