看到荒地变成湿地公园,居民纷纷感叹治理工程来之不易。Kàndào huāngdì biàn chéng shīdì gōngyuán, jūmín fēnfēn gǎntàn zhìlǐ gōngchéng lái zhī bù yì.Seeing the wasteland become a wetland park, residents all exclaimed that the restoration project had not come easily.
面对壮观的瀑布,游客们纷纷感叹大自然的神奇。Miànduì zhuàngguān de pùbù, yóukèmen fēnfēn gǎntàn dà zìrán de shénqí.Facing the magnificent waterfall, the tourists exclaimed at the wonder of nature.
他常常感叹自己没有早点开始学习外语。Tā chángcháng gǎntàn zìjǐ méiyǒu zǎodiǎn kāishǐ xuéxí wàiyǔ.He often laments that he didn't start learning a foreign language earlier.