?1. weakest是指弱的，不強壯的，或者有缺陷的。它可以用來形容人、物品或者概念。比如，他是家里最弱的一個，這件衣服的質量很差，這個論點是最薄弱的。

2. weakest的讀音為/wikst/，其中“ea”發音為/i/，“k”發音為/k/，“s”發音為/s/，“t”發音為/t/。

3. weakest可以用作形容詞或者名詞。作為形容詞時，它可以修飾名詞或者做表語。比如，the weakest link（最薄弱的環節），the weakest argument（最薄弱的論點）。作為名詞時，它指代最弱的人或物品。比如，在這場比賽中，我們必須淘汰最弱的那個。

例句：

1. He is the weakest member of the team and always drags us down.

2. The weakest point in his argument is that he has no evidence to support it.

3. This bridge is the weakest link in our transportation system and needs to be reinforced immediately.

4. The weakest students in the class need extra help from the teacher.

5. She is physically the weakest among her siblings, but she has a strong will and determination.

4. weakest可以和其他詞組合成一些常用短語。比如：

- at one's weakest（在某人最虛弱的時候）：He always takes advantage of me when I am at my weakest.

- the weakest spot（最薄弱的地方）：The weakest spot in our defense is the lack of manpower.

- weakest link（最薄弱的環節）：Our team's weakest link is our goalkeeper.

- the weakest point（最薄弱的點）：His speech was well-prepared, but the weakest point was his delivery.

- weakest side（最薄弱的一方）：The company's financial situation is its weakest side.

5. 在中英文對照方面，weakest可以譯為“最弱”的意思。比如，他是我見過的最弱的運動員（He is the weakest athlete I have ever seen）。也可以譯為“最差”的意思。比如，這是我聽過的最差的歌曲（This is the weakest song I have ever heard）。

6. 總結一下，weakest是一個形容人、物品或者概念強度不夠、缺乏能力或者有缺陷的詞匯。它可以用作形容詞或者名詞，在口語和書面語中都有廣泛使用。它可以和其他詞組合成常用短語，表達不同含義。在中英文對照方面，weakest可以譯為“最弱”或者“最差”的意思。