精心 (jīng xīn): 주의 깊게.

To celebrate her mother's 60th birthday, she carefully prepared a table of delicious dishes and even made a big cake with her own hands.

The service at this hotel is extremely attentive; even the height of the pillows can be adjusted according to the guest's habits.

He carefully selected a bouquet of roses, planning to give them to his girlfriend when she got off work, to give her a surprise.

For this important interview, she dressed up carefully, put on a newly bought professional suit, and also applied light makeup.

Every exhibit in the museum has been carefully restored, so that it can once again show its splendor from hundreds of years ago.