Sunday dress 最好的衣服，最漂亮的衣服

Materialist 物质享乐主义者；实利主义者
She so materialistic; all she cares about is getting the new iPhone.
她超级物质，只想有个新iPhone。

Humble beginnings 出身卑微
He's rich and famous now, but he really came from humble beginnings. His family had nothing.
他现在有钱有名，但是他其实出身卑微。他的家庭一贫如洗。

Living paycheck to paycheck 生活拮据；过得紧巴巴的
You must stop living paycheck to paycheck, if there is an emergency, you have no savings to use.
你不能继续做"月光族”了。如果有紧急情况，你什么积蓄都没有。

Keep up with the Joneses （与朋友和邻居在物质和社会成就方面）攀比，比富有，比排场，比阔气
Sarah just spent all her money on a Chanel handbag. She's always trying to keep up with the Joneses.
Sarah把全部钱拿去买了个香奈儿的手提包。她总是想要跟别人攀比。

Frugal （对金钱、食物等）节约的，节俭的
He's very frugal, never spends more money than he has to.
他总是很节俭，从来不花没用的钱。