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.
他沒有向什麼人顯露過他的`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。