crass

crass的音标为[ˈkræs] ，基本翻译为“愚蠢的；粗鲁的；无知的”，速记技巧为“克拉丝(crass)就是粗鲁的人”。

Crass这个词的词源可以追溯到拉丁语，意为“粗野的，无知的”。它的变化形式包括过去式crassus和复数crassis。相关单词包括：

1. Crassal：指与粗野有关的，常用于生物学中描述某些细菌的特殊结构。

2. Crassness：指粗鲁、无知、愚蠢的行为或态度。

3. Crassly：表示粗鲁地、无礼地、无知地。

这些单词在英语中都有贬义，通常用来形容一个人的行为或态度缺乏教养或理解力。例如，我们可以说某人行为粗鲁，缺乏同情心或理解力，或者他的言论或行为显得无知或愚蠢。

总的来说，Crass这个词在英语中常用来形容一个人的粗鲁、无知或愚蠢，这个词的词源和相关单词都反映了这一点。

常用短语：

1. by the skin of our teeth

2. break the ice

3. call it a day

4. clear the decks

5. cut and run

6. double-edged sword

7. fall flat on one"s face

例句：

1. We were so close that we could taste the skin of our teeth when danger threatened.

2. She tried to break the ice with a joke, but it fell flat.

3. After a long day of work, I call it a day and head home.

4. We cleared the decks to prepare for the party.

5. He tried to cut and run, but it was too late.

6. The double-edged sword of success brought him both happiness and pressure.

7. His failure to plan ahead fell flat on his face.

英文小作文：

Success is a double-edged sword， which can bring happiness and fulfillment， but also pressure and challenges. When we achieve our goals， we often feel elated， but this feeling can quickly turn into a sense of complacency and overconfidence， which can lead to failure down the road. Therefore， it is important to maintain a healthy balance between success and failure， learning from our mistakes and constantly improving ourselves to avoid falling flat on our faces. In addition， success should not overshadow our efforts and failures in the past， but rather serve as motivation to keep pushing forward and seize new opportunities. Finally， we should remember that success is not solely determined by our achievements， but also by our character and values， which are equally important in achieving personal growth and happiness.