He feels it takes time to acquire new skills, but Rome wasn't built in a day.

A day has 24 hours.

The first day of the month is the beginning of a new month.

Please hurry up because we don't have time.

He practices every day to hone his skills.

I felt loneliness from his words.

He spent a lot of time acquiring piano skills.

He is studying every day to acquire a new language.

He can write Japanese using the Latin alphabet.

The Romanization of Japanese is very convenient for foreigners.