ð¯ðµæ¥æ¬èªã¯è±èªã«ç¶ãã¾ããð¨ð³ä¸æé´æç« æä¸æ¹ã Hello. I work as a business consultant at a global consulting firm. I am now in my forties. My mother tongue is Chinese, and I am generally fully fluent in English, even when I started working. Given this, one might ask: Why did I, at the age of 27âcertainly not a typical age for new language acquisitionâdecide to embark on learning Japanese, a completely new language system?