1.He shut the door in the girl's face then, leaving her in the dark. He opened it again almost at once. She had disappeared without a sound.
他当着女孩的面关上门，将她留在黑暗之中，但几乎立刻又打开了门——她已经不见了，没有留下丝毫动静。
2.Don't come in again without a sound. You scared the daylights out of me.
别再一声不响地走进来，你吓死我了。
3.A sound card is required if you want to hear the sound output, but you can run the application without a sound card.
如果希望听到声音输出，必须有声卡，但没有声卡也可以运行此应用程序。
4.Don't know how long did the days went for. Back and forth, all that unfamiliar people just left without a sound.
这样的日子走走停停不知道有多久了。来来回回，那么多素昧相识的人也就那样的离开。
5.He silently drew the pistol that was with him day and night, entering without a sound.
他悄悄地掏出日夜随身携带的那支手枪，无声无息的走进房内。
6.to make assurance surer , i got upon my hands and knees , and crawled , without a sound , towards the corner of the house.
为了确保安全，我趴在地上，用双手和膝盖一声不响地爬向木屋的一角。
7.But I bore the pain without a sound, and seized the bird's two feet with my hands.
但是我忍住痛苦，不发一声，并用双手抓住大鸟的脚。
8.Without a sound, and before I could raise a word of protest, they disappeared, fading into the forest like ghostly wolves.
我还没来得及表示反对，他们就毫无声息地消失了，像一群可怕的野狼钻入树林。
9.Overseas investment can never be safeguarded without a sound overseas investment protection system.
境外投资必须依靠健全的境外投资保护制度。
10.I cannot see how you can ever have a sound economy without a sound dollar and getting back to defining what a dollar really is.
我看不出你如何能够实现一个稳健的经济而没有一个稳健的美元，并且回头来定义美元究竟是什么。