He has a reticent personality and doesn't talk much.

You can solve this problem using Cartesian coordinates.

He is good at playing the cello.

We are putting a lot of effort into protecting intellectual property.

The game is already in the middle stages.

I love cheese.

Please say 'cheese' when taking a picture.

He swore to live with loyalty.

In linear algebra, the transposition of a matrix is an important operation.

When you transpose a matrix, the rows and columns are swapped.