1.中文：她在彈鋼琴。
(誤)She was playing piano.
(正)She was playing the piano.（演奏樂器，如piano，violin，樂器前面要加定冠詞the。）
2.中文：孩子們每天早上去上學。
(誤)The children go to the school every morning.
(正)The children go to school every morning.（go to school是習慣用語，不加the。）
3.中文：她有一頭秀發。
(誤)She has a beautiful hair.
(正)She has beautiful hair.（hair指頭發的整體，是不可數名詞，前面不加a。）
4.中文：她喜歡看電視。
(誤)She likes to watch the TV.
(正)She likes to watch TV.（看電視，習慣上TV前不加the。）
