earn a your crust 成语
upper crust
upper class, high class, aristocracy Kurt acts like upper crust because his ancestor was a German baron.
crustie
a person whose looks share that of the "hippie" travellers of the 1990s and being stereotypically scruffy, with long dredded hair, wearing boots and black clothes; generally having the appearance of being homeless. Usually derog.
crusty
used to describe a really gross or greasy person:"Look at him; he's so crusty!"
upper crust|crust|upper
n.,
informal The richest, most famous, or important people in a certain place; the highest class.
It is a school that only the children of the upper crust can afford.
crust
crust see
upper crust.