他每天都要作一个小时的功课。
tā měitiān dūyào zuò yígè xiǎoshí de gōngkè 。
He has to do homework for an hour every day.
她在学校里作优秀的学生。
tāzài xuéxiào lǐ zuò yōuxiù de xuéshēng 。
She is an outstanding student at school.
在比赛中，他假装受伤来影响对手。
zài bǐsài zhōng ， tā jiǎzhuāng shòushāng lái yǐngxiǎng duìshǒu 。
In the competition, he pretended to be injured to affect his opponent.