这件事太重要了，老板决定亲自处理。

Zhè jiàn shì tài zhòngyào le, lǎobǎn juédìng qīnzì chǔlǐ.

This matter is too important; the boss decided to handle it personally.

妈妈亲手做了一桌菜等我回来。

Māma qīnshǒu zuòle yī zhuō cài děng wǒ huílái.

Mom personally cooked a whole table of dishes and waited for me to come home.

校长亲自到医院看望了受伤的学生。

Xiàozhǎng qīnzì dào yīyuàn kànwàngle shòushāng de xuéshēng.

The principal personally went to the hospital to visit the injured students.