的意思 a bit and a sup

1. I only ate a bit of the cake because I'm trying to watch my calories.
我只吃了一点蛋糕，因为我在控制卡路里。

2. Can you pour me just a sup of water? I'm not very thirsty.
你能倒点水给我吗？我不是很渴。

3. I'm feeling a bit tired after work today.
我今天下班后有点累。

4. Can you lend me a sup of sugar? I ran out while baking.
你能借我点糖吗？我在烘焙时用完了。

5. I think I'll just have a bit of salad for lunch.
我想我午餐只吃点沙拉。

6. She was only able to take a sup of the soup before feeling too full.
她只吃了一口汤，就感觉太饱了。