1. It's enough to make you wet yourself, if you'll pardon the expression.
2. He screwed his face into an expression of mock pain.
3. Under the shaded light her expression was difficult to read.
4. There was no grief in his expression, only deep resignation.
5. Mr. Sebastian was looking at the boys with a bemused expression.
6. She glared down at me with a peevish expression on her face.