Sophisticated

Having refined taste, knowledge, or experience of the world

Mind-Blowing

Extremely impressive, surprising, or exciting

Fit as a Fiddle

To be in very good physical condition

Cry over Spilt Milk

To be upset about something that has already happened and cannot be changed

Steal Someone's Heart

To cause someone to fall in love with you

Strike While the Iron Is Hot

To act at the right moment when circumstances are favorable