学习英语过程中，准确掌握一些形容词及其近义词之间的差别是非常重要的，这有助于提高我们对语言运用的精准把握！中学阶段常见的近义形容词有：
(一)beautiful/pretty/nice
*beautiful: adj，常作定语，表“美丽的、漂亮的”之意，语气比pretty强，多指内在美、程度很深的美。外国人一般少用beautiful夸人。
*pretty: adj，表“美丽可爱的”之意，多指小孩、妇女，其美仅仅是beautiful的一部分，程度没有beautiful深。作副词时，修饰形容词，相当于very。
*nice: adj，表“美丽的、友好的、好心的、令人愉快的”之意，可以作定语或表语。
(1) This is a pretty good plan.
(2) She is a pretty girl.
(3) We have a beautiful house.
(4) It is nice of you to come to see me.
(5) It is nice to visit Chengdu with my parents.
(二)alone/lonely
*lonely: adj，表“孤独的”之意，作定语或表语，具有主观感情色彩。
*alone: adj/adv，表“单独、独自”之意，做表语和状语，带有客观性。
(1) His parents live alone in a small village, but they don't feel lonely.
(三)older/elder
*elder: 表“年长的”之意，指的是兄弟姐妹之间的长幼，不可与than连用。
*older: 表“年纪较大的、较老的，物品比较旧的”之意，作定语或表语，可以和than 连用。
(1) His elder brother bought him a new bicycle yesterday.
(2) He is taller than Bill though Bill is older than him.
(四)quick/fast/soon
*quick: adj，表“快”之意，指在较短时间内发生或者完成某个动作。其副词是quickly。
*fast: adj/adv，主要用作副词，表“快”之意，指运动着的人或物体的速度快。
*soon: adv，表“不久、很快”之意，指时间快。
(1) The boy ran with quick steps to the classroom.
(2) Remember to call me back. We hope to receive your news soon.
(3) I can't tell you the exact time, because my watch goes a few minutes faster.
(五)ill/sick
*sick: adj，表“生病的”之意，作表语或定语；表“厌烦的”，只能做表语，后常跟介词of。
*ill: adj，表“生病的”之意，只作表语；表“坏的、有害的”时，只作定语。
(1) He was ill yesterday, so he didn't come to school.
(2) She can't go out to play, because she had to look after her sick mother.
(六)true/real
*real: 表“真实的、名副其实的、真的”之意，强调客观性。
*true: 表“真正的、正确的”之意，强调与实际情况相符合。
(1) This is a real golden watch.
(2) Is it true that you will go to Shanghai for summer vacation ?
