Fat作爲名詞時，意思是脂肪、脂肪、肥肉、動植物油。fat作爲形容詞時，意思是肥胖的、肥的、厚的、寬大的、大量的、值錢的。fat作爲動詞時，意思是養肥、增肥。fat的第三人稱單數是fats，fat的複數是fats。
Fat的例句：You'll get fat if you eat so much chocolate.你如果吃這麼多巧克力就會發胖的。He grew fatter and fatter.他愈來愈胖了。
He gave me a nice fat cheque.他給了我一張大額支票。Fatness tends to run in families.肥胖往往有遺傳性。This ham has too much fat on it.這塊火腿肥肉太多。
Paul can't drive so he was a fat lot of use when I broke my arm.保羅不會開車，所以我手臂骨折時他一點忙也沒幫上。
