Meanings

acquired idea (as opposed to innate)

typing practice

Shinto-Buddhist syncretism

Shinshū-kyō (sect of Shinto)

speed learning

to make a habit of

eating habits

driving school

learning machine

learning function

learning program

technical course

customary international law

habit is a second nature

beginning to learn (something) when one is old

sparring partner

to become accustomed to calling (e.g. someone by a certain name)

calligraphy practice (esp. intensive or diligent)

proficiency level

gentle breeze