4 sentences for 完善 (wán​shàn — to perfect)

1. 现在，请您原谅，我需要去完善我的土豆沙拉食谱了。

   xiàn​zài, qǐng nín yuán​liàng, wǒ xū​yào qù wán​shàn wǒ​de tǔ​dòu shā​lā shí​pǔ le.

   Now, if you will excuse me, I need to go perfect my potato salad recipe.

   Source: CCMatrix

2. 她最终追求摄影，花了几年时间完善她的暗室技术。

   tā zuì​zhōng zhuī​qiú shè​yǐng, huā le jǐ​nián shí​jiān wán​shàn tā de àn​shì jì​shù.

   She eventually pursued photography, spending years perfecting her darkroom techniques.

   Source: CCMatrix

3. 他花了五年时间完善设计，在他的后院棚子里建造了5000多个原型。

   tā huā le wǔ nián shí​jiān wán​shàn shè​jì, zài tā de hòu​yuàn péng​zi li jiàn​zào le5000 duō​ge yuán​xíng.

   It took him five years to perfect the design, building more than 5,000 prototypes in his backyard shed.

   Source: CCMatrix

4. 良好的网站设计——像大多数其他的东西那样——涉及到很多的尝试和错误来完善。

   liáng​hǎo de wǎng​zhàn shè​jì— xiàng dà​duō​shù qí​tā de dōng​xi nà​yàng— shè​jí dào hěn​duō de cháng​shì hé cuò​wù lái wán​shàn.

   Good site design — like most other things — involves a lot of trial and error to perfect.

   Source: CCMatrix