成熟的

(adjective) Describing something or someone that is fully developed after a period of training or growth.

例句

EXAMPLE: After getting my MBA and completing my company's year-long training program, I was finally going to become a full-fledged business executive.

在得到MBA学位并完成了公司长达一年的培训课程后，我最终将成为一位成熟的高管。

“上午工作效率不高的人”

Common expression describing someone who has difficulty working effectively in the morning. (NOTE: always used in this negative form)

EXAMPLE: I prefer to work late into the evening when I'm at my most productive, because I am definitely not a morning person.

由于在上午工作效率实在不高，我喜欢工作到深夜，我晚上效率最高。