cautelous的音標為[?k??t(?)l?s] ，基本翻譯為“多疑的，小心翼翼的”，速記技巧為“caut（小心的首字母）＋el（元素）＋ous（形容詞后綴）”。

Cautious: 詞源同 careful, with the same sense of being careful, cautious, and wary. 變化形式包括其名詞形式 cautiousness（謹慎）和形容詞形式 cautious（小心的，謹慎的）。

相關單詞：

1. Careful: 詞源同 cautious, with the same sense of being careful. 意思是“小心的，仔細的”。

2. Wary: 詞源同 cautious, with the same sense of being wary of danger or trouble. 意思是“警覺的，小心的”。

3. Prudent: 詞源同 cautious, with the same sense of being careful and wise. 意思是“謹慎的，精明的”。

4. Cautiously: 副詞形式，表示“小心地，謹慎地”。

5. Cautiouslyness: 名詞形式，表示“謹慎的特性”。

6. Cauterize: 動詞形式，表示“用燒灼法治療”，源于拉丁語 cauterem（燒灼）。

7. Cauterization: 名詞形式，表示“燒灼治療法”。

8. Cauterization Technique: 技術名詞，表示“燒灼療法”。

9. Cauterization of the Skin: 皮膚學名詞，表示“皮膚燒灼術”。

10. Cauterization of the Liver: 醫學名詞，表示“肝臟燒灼術”。

以上這些單詞都與cautelous這個詞源有密切關系，它們都表示小心、謹慎、警覺等含義。這些單詞在英語中廣泛使用，并且在不同的領域中都有應用。

常用短語：

1. cautious 謹慎的

2. be cautious about 對...小心

3. take precautions 采取預防措施

4. guard against 防止

5. be on the cautious side 小心謹慎

6. proceed with caution 慎重行事

7. proceed with precaution 小心行事

例句：

1. She is always cautious when crossing the street.

2. Be cautious when investing in stocks.

3. We must take precautions against fire.

4. Guard against accidents when working with chemicals.

5. It"s important to be on the cautious side when driving in bad weather.

6. It"s best to proceed with caution when dealing with strangers.

7. It"s essential to proceed with precaution when working around tools that could be dangerous.

英文小作文：

Precaution is key to safety in our daily lives. Whether we are working, playing, or just going about our daily routines, it is essential to take the necessary steps to ensure our safety. From wearing safety equipment to using common sense, we can all do our part to prevent accidents and injuries.

However, it is also important to be aware of potential hazards and take precautions before they occur. This could mean avoiding certain areas or using caution when engaging in certain activities. By being vigilant and taking the necessary steps, we can minimize the risks and ensure our safety in any situation.

By being cautious and taking precautions, we can reduce the chances of accidents and injuries, which can lead to happier and healthier lives. Therefore, it is always wise to proceed with caution and take all necessary measures to protect ourselves and those around us.