I never understand what you are talking about, maybe it's the language barrier.
我从不知道你在说什么,也许这就是语言障碍吧。
What day is it today?
今天星期几?
And so with solids such as a shell, a nut, a plum, a pear, a tadpole, a mushroom, a mountain peak, a kidney, a carrot, a tree-trunk, a bird, a bud, a lark, a ladybird, a bulrush, a bone.