vt.

1. 为……施洗
2. （施洗时）给……命名[O9]
   They christened the child Joseph.

   他们给受洗的孩子取名为约瑟夫。

3. 为（船等）命名[O9]
4. 【口】首次使用
   Have you christened your new car yet?

   你那辆新车开过了没有？

v.

1. name (a baby) at baptism as a sign of admission to a Christian Church.
2. informal use (something) for the first time.