This is the 1732nd most frequent Chinese word.
大小
Size; magnitude.
In this sentence, '大小' refers to the dimensions or measurements of the clothes.
这些衣服的大小都合适。
The sizes of these clothes are all suitable.
Here, '大小' indicates the dimension of the image to be adjusted.
我们要调整图片的大小。
We need to adjust the size of the picture.
In this context, '大小' is used metaphorically to describe the importance or magnitude of issues.