He acted according to my instructions one by one.

He is carefully doing each and every task.

He solved each problem one by one carefully.

We need to evaluate the cost-effectiveness of this project.

We need to evaluate the cost-effectiveness of this project.

They are always lovey-dovey, and I'm very envious.

They are always being affectionate.

The legend of Beelzebub has been handed down from ancient times.

Gyōbu was a part of the ancient Japanese government system.

My house is located near the park.