这座古桥保存得如此完整,在同类遗迹中难得一见。Zhè zuò gǔqiáo bǎocún de rúcǐ wánzhěng, zài tónglèi yíjì zhōng nándé yí jiàn.This ancient bridge has been preserved so completely that it is rarely seen among similar remains.
这种野生小花只在山顶开放,平时难得一见。Zhè zhǒng yěshēng xiǎohuā zhǐ zài shāndǐng kāifàng, píngshí nándé yí jiàn.This kind of wild flower only blooms at the mountaintop and is rarely seen otherwise.
在这么大的城市里,能看到满天星星,真是难得一见。Zài zhème dà de chéngshì lǐ, néng kàndào mǎntiān xīngxing, zhēnshi nándé yí jiàn.In such a big city, seeing a sky full of stars is truly a rare sight.