English brain; intuitive English ability
Refers to the ability to think and understand English directly, without mentally translating from Japanese. Often used in language-learning contexts.
To develop an English brain, it's important to make a habit of thinking in English every day.
She acquired an English brain after studying abroad.
Compound of 英語 (English) and 脳 (brain), modeled on the concept of thinking in a foreign language without translation.