?Sweet是一個形容詞，主要有兩種含義。一種是指“甜的”，用來描述食物或飲料的味道。另一種是指“可愛的”、“迷人的”、“令人愉悅的”，用來形容人或事物。

1. “甜的”含義：

- The cake tastes really sweet. (這個蛋糕味道很甜。)

- I like to add some honey to my tea to make it sweeter. (我喜歡在茶里加一些蜂蜜，讓它更甜。)

- This candy is too sweet for my liking. (這個糖果對我來說太甜了。)

2. “可愛的”、“迷人的”、“令人愉悅的”含義：

- She has the sweetest smile I've ever seen. (她有著我見過最甜美的微笑。)

- The little girl is so sweet, she always helps her classmates with their homework. (那個小女孩真可愛，她總是幫同學們做作業。)

- The couple's love story is really sweet and romantic. (這對情侶的愛情故事非常甜蜜浪漫。)

Sweet也可以用作名詞，表示“糖果”或“甜點”。

- Can I have a piece of your sweet? (我可以吃一塊你的糖果嗎？)

- After dinner, we usually have some sweets for dessert. (晚餐后，我們通常會吃一些甜點作為甜品。)

Sweet還可以用來表示“美好的”、“令人滿意的”。

- The team's victory was a sweet moment for the coach. (球隊的勝利對教練來說是一個美好的時刻。)

- It's such a sweet feeling to be surrounded by loved ones. (被親人包圍著是一種令人滿足的感覺。)

此外，sweet還可以用來表示“友善的”、“和藹的”。

- She has always been very sweet to me, I'm grateful for her friendship. (她一直對我很友善，我很感激她的友誼。)

- The old lady gave us a sweet smile as we passed by her house. (我們經過她家時，老太太給了我們一個和藹的微笑。)

總的來說，sweet是一個多義詞，在不同語境下有不同的含義。它可以用來形容食物、人、事物，也可以作為名詞使用。在口語中，sweet也常被用作感嘆詞，表示驚訝或贊嘆。

例句參考：

1. She looked so sweet in her pink dress.

(她穿著粉色連衣裙看起來很可愛。)

2. My grandmother always bakes the most delicious sweets during the holidays.

(我的祖母總是在節日里做出最美味的甜點。)

3. The new baby is so sweet, she never cries and always smiles.

(新生的寶寶真是太可愛了，她從不哭鬧，總是微笑著。)

4. The sweet fragrance of the flowers filled the air.

(花兒散發出甜美的香氣，充滿了空氣。)

5. I can't believe she got me tickets to my favorite band's concert, that's so sweet of her!

(我簡直不敢相信她給我買了我最喜歡的樂隊演唱會的票，這真是太貼心了！)