There was a long silence before she spoke.

　　沉默了很長時間她才開口。

　　The company's silence on the subject has been taken as an admission of guilt.

　　在外界看來，公司在這個問題上保持沉默便是承認有罪。

　　There was silence, but not like before.

　　沒有聲音，但與以前不一樣。

　　I need absolute silence when I'm working.

　　我工作時需要絕對的安靜。

　　The phone call came after months of silence.

　　幾個月沒有音信之后，打來了一個電話。