frailest

frailest的音标是["freɪlɪst]，基本翻译是“最虚弱的”。

速记技巧：可以将其拆分为单词的各个部分并尝试找到一种易于记忆的速记方法。例如，可以将“frai”与“free”联系起来，以帮助记忆这个单词。

英文单词“frailest”来源于拉丁语“frailis”，意为“脆弱”或“易碎的”。它的变化形式包括“frail”（脆弱的）和“frailty”（脆弱性）。

相关单词：

1. fragile（易碎的）：该词源于拉丁语“fragilis”，意为易碎的，脆弱的。它通常用来形容物体或人的身体状况，如玻璃杯、陶瓷制品等。

2. weakness（弱点）：该词源于拉丁语“luctus”，意为脆弱或弱点。它通常用来描述人的身体或心理上的弱点，如意志力薄弱、身体虚弱等。

3. frailty（脆弱）：该词与frailest同源，意为脆弱性。它通常用来描述人的身体状况，如老年人的身体机能下降、容易受到疾病的影响等。

以上这些单词都与“frailest”有着密切的联系，它们都表示脆弱、易碎的意思。这些单词在英语中广泛使用，并被用来描述各种不同的情境和对象。它们的使用频率很高，而且具有很强的文化意义和历史背景。

至于字数要求，由于您给出的信息已经相当丰富，我尽量在保持准确性的同时，尽量满足字数要求。希望对您有所帮助！

常用短语：

1. frailest of all

2. frail health

3. frail body

4. frail old age

5. at the point of death

6. on the brink of death

7. on the decline

例句：

1. She was the frailest of all and could not bear any physical exertion.

2. His frail health made it difficult for him to complete the task on time.

3. His frail body could not withstand the cold weather and he fell ill.

4. She was at the point of death, but her family refused to give up hope.

5. He was on the brink of death, but a miracle saved him.

6. His health is on the decline and he is becoming weaker by the day.

7. The old man"s decline in health was a sad sight to see.

英文小作文：

Life is fragile, and we should cherish every moment of it. We all have our own frailties, whether it be physical or mental, and we must be mindful of our health and well-being. When we are faced with challenges, we must not give up easily, but rather persevere and strive to overcome them. After all, life is not always easy, and we must be prepared for anything. By being aware of our frailties and taking care of ourselves, we can make the most of every day and live our lives to the fullest.