I'm worried about his physical condition.

There is a large ginkgo tree in the park.

I am reading a book under the ginkgo tree.

I will come to the office from the afternoon tomorrow to attend the tax system investigation committee meeting.

His poetry is characterized by a melancholy tone.

He does not understand the gravity of the problem.

This is the longest book I have ever read.

The length of this turtle is 50 centimeters.

I had the honor of listening to the teacher's talk.

I was allowed to listen respectfully to the teacher's talk.