He noticed Rolfe standing silently over by the window.

　　他注意到羅尓夫默默地站在窗旁。

　　Lenny moved swiftly and silently across the front lawn.

　　蘭尼快速并且無聲地穿過前面的草坪。

　　He remained silent for some time.

　　他好長(zhǎng)時(shí)間都保持沉默。

　　The house was unnaturally silent.

　　房子異常地寂靜。