We elected Sam our class leader.

我们选山姆当班长。

youdao

Yesterday our class leader fell asleep during the class and somebody made fun of him.

昨天，我们班长上课睡觉，下课时有同学恶作剧。

youdao

Talented girl: Then I can’t promise you.At all events, I’m the team leader of our class.

小才女说：那可不行，我可是我们班的小组长呢。

youdao

Our class had the tragic experience of having our class leader (highest ranking officer) die during Hell Week.

FORBES: From the Battlefield to the Boardroom: A Navy SEAL's Guide to Business Leadership Success (Part 2 of 3)