容积的大小

volume

直径的大小

diameter

口径的大小

bore size

皮鞋的大小

shoe size

房间的大小

size of a room

大小不合适。

The size isn't right.

大小和房子差不多。

It's about as big as a house.

教室大小一样。

The classrooms are of identical size.

他的个子和我一般大小。

He is the same height as I am.

国家不论大小，应该一律平等。

Countries should all be equal, no matter how big or small they are.

不分大小

regardless of seniority

说话没大没小的

talk with no respect for one's elders

全家大小

the whole family

这样的式样大大小小都喜欢。

Both adults and children love this style.

他在我们这儿大小是个领导。

Here, he is a leader at the very least.

这条街上大小商店有几十家。

There are several dozen shops on this street, both large and small.