2 sentences

1. 如果不彻底解决这个漏洞，恐怕会留下后顾之忧。

   rú​guǒ bù chè​dǐ jiě​jué zhè​ge lòu​dòng, kǒng​pà huì liú​xià hòu​gù​zhī​yōu.

   If this loophole is not completely resolved, I'm afraid it will leave future troubles.

   Source: Dong Chinese Dictionary

2. 公司为员工解决了子女入学问题，让他们在工作时没有后顾之忧。

   gōng​sī wèi yuán​gōng jiě​jué le zǐ​nǚ rù​xué wèn​tí, ràng tā​men zài gōng​zuò shí méi​yǒu hòu​gù​zhī​yōu.

   The company solved the school enrollment issues for the employees' children, allowing them to work without any worries.

   Source: Dong Chinese Dictionary