sound作名词意为“声音”，有可数和不可数两种用法；作连系动词，意为“听上去（给人以某种印象）”，接形容词作表语，不接副词。sound like意为听起来像，后面接名词，但要接句子时，要that，再接从句。
sound用作动词的用法例句You sound a little down in dumps.你听起来好象情绪有点低落。
As fun as that may sound, it may be uncomfortable for some of us.这个感觉很好玩,不过可能有些人觉得不舒服。
Together we had done our best to sound the alarm.我们曾一同竭尽全力发出过警报。
sound用作动词的用法例句
He slept sound in his mother's cradle song.他在母亲唱的摇篮曲中酣然入睡。
sound用作形容词的用法例句
There are possible risks, but nonetheless, we feel it's a sound investment.有可能存在危险,但是我们仍然感到这是可靠的投资。
His argument is basically sound.他的论点基本上是合理的。
The system is both practical and ecologically sound.这个系统不但切合实际，从生态学观点来看也是合理的。
sound用法例句1、This may sound trivial, but I assure you it is quite important!
这听上去也许微不足道，但是，相信我，它十分重要！
2、"Does it sound like music?" — "I wouldn't go that far."
“这听上去像音乐吗？”——“我可不那样认为。”
3、He did not sound as if he believed her.
他听起来似乎并不相信她。
