casualKK [ˋkæʒəwəl] /ˈkæʒəwəl/發音cas 落下+-ual 形容詞→落下的展開收合cas字根落下-ual字尾形容詞字面：落下的像東西偶然落下那樣發生 → 偶然的、隨意不拘的。形容詞1隨意的、不拘禮的、輕鬆的The meeting was casual, so nobody prepared a formal presentation.這場會議很輕鬆，所以沒有人準備正式的簡報。2休閒的、便服的The office allows casual clothes on Fridays.公司星期五允許穿休閒服上班。3漫不經心的、滿不在乎的He answered with a casual shrug and walked away.他滿不在乎地聳聳肩就走開了。4偶然的、隨口的、無心的A casual remark from her boss upset him all week.老闆隨口的一句話讓他整週都不開心。5臨時的、非正職的The restaurant hires casual staff during the holiday season.這家餐廳在假期旺季會僱用臨時員工。6不認真的、逢場作戲的They agreed to keep the relationship casual for now.他們同意目前這段關係不要太認真。7非核心的、輕度的The game is designed for casual players, not hardcore fans.這款遊戲是為輕度玩家設計的，不是給重度玩家的。名詞1臨時工The warehouse took on several casuals before the sale began.倉庫在特賣開始前僱用了幾名臨時工。2休閒服常用複數He packed a suit and a few casuals for the trip.他為這趟旅行帶了一套西裝和幾件休閒服。