车门被撞得明显凹进去,虽然还能开,但安全性已经受影响。Chēmén bèi zhuàng de míngxiǎn āo jìnqù, suīrán hái néng kāi, dàn ānquánxìng yǐjīng shòu yǐngxiǎng.The car door was visibly dented inward; although it could still open, its safety had already been affected.
地面凹凸不平,骑车要小心。Dìmiàn āotū bù píng, qí chē yào xiǎoxīn.The ground is bumpy and uneven, so be careful when riding a bike.
他瘦得两个脸颊都凹进去了。Tā shòu de liǎng gè liǎnjiá dōu āo jìnqù le.He has grown so thin that both his cheeks are hollow.