经过长假后，他重新热情地投入到工作中。

After a long vacation, he ___re-engaged with his work enthusiastically.

在收到我的道歉邮件后，她重新与我联系了。

After receiving my apology email, she ___re-engaged with me.

由于项目需求增加，公司决定重新聘用这位经验丰富的工程师。

Due to increased project demands, the company decided to ___re-engage the experienced engineer.