1A feeling of pride, satisfaction, or triumph about one's own accomplishments.
息子はテストで満点を取って得意そうだった。
My son looked proud after getting a perfect score on the test.
彼は新しい車を得意げに見せびらかした。
He proudly showed off his new car.
少し成功したくらいで得意になるな。
Don't get too pleased with yourself over a small success.
2One's strong point or specialty — a field or skill someone is particularly good at.
私は歴史が得意で、地理は苦手だ。
I'm good at history, but weak at geography.
母の得意料理はカレーライスだ。
My mother's specialty dish is curry rice.
面接では得意分野をアピールするといい。
It's good to highlight your strengths during a job interview.
3A regular customer or client with an ongoing business relationship with a shop or company.
その店には昔からの得意が何人もいる。
That shop has several long-standing regular customers.
新商品はまず得意先に紹介した。
We introduced the new product to our regular clients first.