他和朋友们在比赛中争第一。
tā hé péngyǒu mén zài bǐsài zhōng zhēng dìyī 。
He is contending for first place in the competition with his friends.
他们为了奖金而争。
tāmen wèile jiǎngjīn ér zhēng 。
They are fighting for the prize money.
在会上，大家争论很多问题。
zài huì shàng ， dàjiā zhēnglùn hěnduō wèntí 。
At the meeting, everyone disputed many issues.