being careful with small amounts of money but careless with large amounts
小心使用少量的钱，但对大量的钱不小心 (xiaoxin shiyong shaoliang de qian, dan dui daliang de qian bu xiaoxin)
"She refuses to buy a $10 book, but spends $100 on clothes; she's penny wise, pound foolish."
"她拒绝买一本10美元的书，却在衣服上花100美元；她是penny wise, pound foolish。" (Ta jujue mai yiben 10 meiyuan de shu, que zai yifu shang hua 100 meiyuan; ta shi **penny wise, pound foolish**.)
something that operates smoothly and efficiently
Continue with determination despite difficulties.
Try to do better or go beyond your limits.
to be in control; to make important decisions
a delicate situation requiring careful diplomacy
to have a different opinion or perspective
