他是我们队的带头人。
tāshì wǒmen duì de dàitóu rén 。
He is the leader of our team.
带头人应该带领大家一起努力。
dàitóu rén yīnggāi dàilǐng dàjiā yīqǐ nǔlì 。
The leader should lead everyone to work hard together.
她在项目中担任带头人。
tāzài xiàngmù zhōng dānrèn dàitóu rén 。
She serves as the leader in the project.