keep improving

• 精益求精

keep improving的用法和样例：

例句

1. We keep improving our work with no exception of the trifles.
   我们对工作精益求精，即使是些微小事也不例外。
2. As we constantly keep improving, customers from all around the world think highly of us because of our unique workmanship, fine quality and well credit standing.
   正如我们不断精益求精，客户来自世界各地的高度评价，认为我们是因为我们独特的手艺，优良的质量和良好的信誉。