His plan is perfect.

The leading edge of this airplane is very sharp.

We are working on improving the project.

We are working to improve our service.

He is careful about his prostate health.

His behavior was an unheard of thing.

I was amazed at his genius idea.

Calculating the natural logarithm is an important part of mathematics.

His intention was clear.

She is pansexual and can love people regardless of gender.