原封不动

lǎo fáng zi yuán běn de tè sè jī hū yuán fēng bù dòng de bǎo liú xia lai le

老房子原本的特色几乎原封不动地保留下来了。

The character of the original house is very much intact.

dāng tā de xìn yuán fēng bù dòng bèi tuì huí shí bù xiáng zhī gǎn jiù lái le

当她的信原封不动被退回时，不祥之感就来了。

Warning bells began to ring when her letters were returned unopened.

nà fēng xìn yuán fēng bù dòng de tuì huán gěi le wǒ men

那封信原封不动地退还给了我们。

The letter was returned to us unopened.

yuè qiú tàn kān tàn zhēn yuán fēng bù dòng de bǎo liú xia lai le

月球探勘探针原封不动地保留下来了。

Moon surveying probes remain unchanged.