我是一根筋。

　　I have a one-track mind. *track 表示“轨道”，one-track表示“单线轨道”。这句话表示“只能考虑一件事的人”，一般为贬义。

　　I'm obsessed with one idea.

　　I can't take my mind off of... (我无法不去想……)

　　我看人很准。

　　I'm a good judge of character. *judge“能辨别好坏的人”、“鉴定者”。

　　I have a good eye for character.

　　I'm a poor judge of character. (我不会看人。)

　　我爱吃甜食。

　　I have a sweet tooth. *have a sweet tooth 直译是“有甜牙”，实际意思是“爱吃甜食”。

　　You like sweets, don't you? (你爱吃甜食，是吗?)

　　Yeah, I have a sweet tooth. (是的，我爱吃甜食。)

　　I love sweets. (我特喜欢吃甜的。)

　　我是个酒鬼。

　　I prefer wine to sweets. *直译是“比起甜东西来我更爱喝酒”。

　　I prefer savory to sweet. (比起甜的来我更爱吃辣的。)

　　我过着悲惨的生活。

　　I have led a dog's life. *lead a dog's life 直译是“像狗一样的生活”。应该记住这句惯用表达方式。

　　I have had a miserable life.

　　I've had a terrible life.

　　我的视力不好。

　　I have poor eyesight.

　　I have good eyesight. (我的视力很好。)