他在面试时胆小如鼠，回答问题时声音很小。

He was as timid as a mouse during the interview and spoke very softly.

彼得说话声音很小，我几乎听不见。

Peter spoke so quietly that I could hardly hear him.

他声音很小，听不清楚。

He uttered little indecipherable sounds.

他习惯说什么都声音很小。

It is his custom to say anything in whisper.

口袋里的石英发出的声音很小。

The quartz in his pocket made little sound.

大额债务就像炮轰, 声音很大, 但危险很小.

Great debts are like cannon; of loud noise, but little danger.

他说话的声音很小，但是在他的声音里有一种钢铁般的力量，在他的脊梁下有一股坚韧的勇气。

He barely spoke above a whisper, but there was steel in his voice, and in his spine.

她讲话的声音很小，没有人能听到她所说的话。

She spoke in such a low voice that nobody could hear her.

她说话声音很小，但是用了些特别粗俗的字眼儿。

She spoke in a quiet voice but used remarkably coarse expressions.

他们在电话里说话的声音很小，仿佛有人会听到似的。

They spoke in whispers, as though they might be overheard.