他努力扭转了不利的局势。

Tā nǔlì niǔzhuǎnle bùlì de júshì.

He worked hard to reverse the unfavorable situation.

老师希望学生能够扭转学习态度。

Lǎoshī xīwàng xuéshēng nénggòu niǔzhuǎn xuéxí tàidù.

The teacher hopes the students can turn around their attitude towards learning.

这个国家成功扭转了经济衰退。

Zhège guójiā chénggōng niǔzhuǎnle jīngjì shuāituì.

The country successfully reversed economic recession.