What is acid? How to complement sentences?

1, sour grapes, sweet and delicious. Looking at that juicy bunch of grapes, my mouth is really watering. Uncle picked a few strings, washed them and put them in his mouth. They are sour, sweet and delicious.

I looked at his back, my heart was sour, numb and bitter, and tears fell like broken beads. I cried, my God! Then how can you accept money from others like this? I'm depressed, I don't know if "everything is for money" is true.

3, growth is a kind of happiness, it is sweet and sour, sour fresh and exciting, sweet and warm and delicious. When you make the first effort, this kind of taste will come to mind. Those sour setbacks and sweet experiences will make you unforgettable, and it will give you the experience of setbacks and the joy of success.

Every time I think about it, my heart is sour, but this grievance has not sublimated into hate, but it has created my strong character, and I understand the teacher's mood. If it weren't for that time, would I feel wronged? Ha ha! There is no trace of time, only fragrance.

5, the book is sour bayberry, take a bite, so that you can't help but cry; A book is a jar of honey, which will make you memorable after tasting it. A book is a pack of bitter medicine, so you can remember this lesson; Books are fiery red peppers, which make you afraid to eat them the first time. There are all kinds of ups and downs in the book.