2 sentences

1. 我需要一个电源转换器来给我的电脑充电。

   wǒ xū​yào yī gè diàn​yuán zhuǎn​huàn​qì lái gěi wǒ de diàn​nǎo chōng​diàn.

   I need a power adapter to charge my computer.

   Source: Dong Chinese Dictionary

2. 技术员正在更换那个已经老化了的转换器。

   jì​shù​yuán zhèng​zài gēng​huàn nà gè yǐ​jīng lǎo​huà le de zhuǎn​huàn​qì.

   The technician is replacing that aging converter.

   Source: Dong Chinese Dictionary