His logic is full of fallacies.

That logic is full of fallacies.

This room is filled with happiness.

When the moon is full, the night sea becomes a beautiful sight.

I mistakenly wrote his name as 繆.

There were several mistakes in his thesis.

I am planning to travel to Beppu next week.

With the spirit of preparing before it's too late, he started studying a week before the exam.

He is good at thinking about things logically.

He is my best friend.