变好

例句：

1. 1. We need to work harder to make our team better.
   我们需要更加努力，让我们的团队变得更好。
2. 2. The teacher suggested that we should improve our English speaking skills.
   老师建议我们应该提高我们的英语口语能力。
3. 3. The company has been improving its customer service over the past year.
   公司过去一年一直在提高其客户服务。