2 sentences

1. 随着时间的流逝，这种古老的传统已经销声匿迹了。

   suí​zhe shí​jiān de liú​shì, zhè zhǒng gǔ​lǎo de chuán​tǒng yǐ​jīng xiāo​shēng​nì​jì le.

   Over time, this ancient tradition has disappeared.

   Source: Dong Chinese Dictionary

2. 为了躲避警方的追捕，这个犯罪团伙销声匿迹了整整一年。

   wèi​le duǒ​bì jǐng​fāng de zhuī​bǔ, zhè​ge fàn​zuì tuán​huǒ xiāo​shēng​nì​jì le zhěng​zhěng yī nián.

   To evade police pursuit, the criminal gang vanished without a trace for a whole year.

   Source: Dong Chinese Dictionary