if you have a long face, you look sad.

'Why've you got such a long face?' 'My boyfriend doesn't want to see me any more.'

• be scared to death
• be scattered to the four winds
• be second to none
• be set in concrete
• be set in stone
• be several cards short of a full deck
• be shaking in boots
• be shaking in shoes
• be shaking in your boots
• be shaking in your shoes
• be shit scared
• be shitting bricks
• be short of a bob or two
• be shot of
• be shot of someone
• be shot of something
• be shot to hell
• be shot to pieces
• be sick and tired of
• be sick and tired of doing something
• be sick and tired of something
• beside
• beside the point
• beside yourself
• be sitting in the catbird seat