2a piece of special clothing without sleeves that you wear over your clothes to protect your body 防护用背心
a bulletproof vest
防弹背心
3.American EnglishAmE a piece of clothing without sleeves and with buttons down the front that you wear as part of a suit 马甲,西装背心SYN British English waistcoat
1 (BrE) ➡ see also undershirtADJECTIVE | PREPOSITIONADJECTIVE➤sleeveless背心➤string網眼背心➤thermal保暖內衣➤running賽跑背心PREPOSITION➤in your vest穿着背心◇What are you doing, standing there in your vest?你穿着背心站在那裏幹什麼?➡ topic at clothesvest
3 (NAmE) sleeveless piece of clothing worn over a shirt馬甲➡ see also waistcoatADJECTIVE➤sleeveless坎肩➤matching配套馬甲◇She wore a navy blue skirt with a matching vest.她穿一件深藍色裙子和與之配套的馬甲。➤denim, down, fleece, leather, etc.牛仔馬甲、羽絨馬甲、羊毛馬甲、皮馬甲等➤embroidered繡花馬甲➤sweater針織馬甲➡ topic at clothes