她静静地坐在窗边看书。

tā jìngjìng de zuò zài chuāng biān kàn shū.

She sat quietly by the window reading a book.

雪静静地落在屋顶上，一点声音都没有。

xuě jìngjìng de luò zài wūdǐng shàng, yīdiǎn shēngyīn dōu méiyǒu.

Snow fell quietly on the rooftop, without making a sound.

他静静地听完了我说的话，才开口回答。

tā jìngjìng de tīng wán le wǒ shuō de huà, cái kāikǒu huídá.

He listened quietly until I finished speaking, then began to reply.