He is struggling with a methamphetamine addiction.

I'm in the middle of a conversation, so please wait a moment.

I create a balance sheet every month to understand my financial situation.

I analyze data using a spreadsheet software.

Let's look at this truth table and understand the result of the logical expression.

He wrote his name using a logogram.

This sentence contains non-Jōyō kanji.

The epicranius muscle is one of the important muscles for making facial expressions.

He is a Chinese person.