新来者（名词，非正式）

(noun, INFORMAL) A newcomer, often a brash, inexperienced person who has recently joined a group.

EXAMPLE: The loud new committee member wants to run our meetings, but most of us think of him as a Johnny-come-lately who should not be so arrogant.

这位招摇的委员会新成员想主持我们的会议，但我们当中的大多数人认为他是一个新来者，不应该这么牛。

running commentary

连续发表评论

A continual series of observations, remarks, and opinions on a topic, often while something else is also happening.

EXAMPLE: My enthusiastic friend loves watching basketball on television and always provides me with a running commentary whenever we watch his favorite team play.

我的充满激情的朋友喜欢看篮球电视转播，每当我们观看他喜欢的球队比赛时，他就滔滔不绝地给我解说。