这块石料的棱角太锋利,必须先打磨,否则容易划伤游客。Zhè kuài shíliào de léngjiǎo tài fēnglì, bìxū xiān dǎmó, fǒuzé róngyì huáshāng yóukè.The edges of this stone are too sharp and must be polished first, otherwise they could easily scratch visitors.
桌子的棱角用软垫包起来,孩子就不容易撞伤了。Zhuōzi de léngjiǎo yòng ruǎn diàn bāo qǐlai, háizi jiù bù róngyì zhuàngshāng le.Wrap the table's corners in soft pads and the child won't easily get hurt bumping into them.
年纪大了以后,他的棱角慢慢被生活磨平了。Niánjì dà le yǐhòu, tā de léngjiǎo mànmàn bèi shēnghuó mó píng le.As he grew older, his sharp edges were slowly worn smooth by life.