Dialog 1 bite the bullet [ 我慢していやなことをする ]

Yukio:Summer's coming up. It's going to be a hot one!
Angela:I can't stand summers here! It's like Hell on earth!
Yukio:It's a bit expensive but you really should buy an air conditioner.
Angela:You're right. I guess I'll bite the bullet and get one this year.

Dialog 2 get carried away [ 調子に乗る ]

Yukio:Having a credit card is so convenient!
Angela:What did you buy with it?
Yukio:I bought a cool alligator skin wallet. But then I got a little carried away.
Angela:What do you mean?
Yukio:I also ended up buying an alligator skin hat, shirt, pants, socks, and shoes.
Angela:Wow, you sure did. Wait till you get your credit card bill. At least you look really cool!