Dialog 1 shake a leg [ 急ぐ ]

Angela:Hey, what time is it?
Yukio:It's three o'clock. Go back to sleep.
Angela:What?! Get up! Sunrise is at five!
Yukio:Five o'clock? We'll have to shake a leg if we want to get to the peak in time to see it!

Dialog 2 shoot oneself in the foot [ 墓穴を掘る ]

Yukio:I can't understand why credit card companies keep denying me.
Angela:Didn't you skip out on paying back your student loans?
Yukio:Yeah, but I didn't think that would affect my credit.
Angela:Yes it does. It looks like you shot yourself in the foot by doing that.