Fast buck
n. 投机所赚的钱，轻易得来的钱
🧩 词语组成解析
fast
[fæst]
adj. 快的;走得快;感光快的;紧的;
adv. （比准确的时间或宣布的时间）快;迅速地;紧紧地;彻底地;
vi. 禁食，（尤指）斋戒;
n. 禁食期，斋戒期;断食，节食;
buck
[bʌk]
n. （美）钱，元;雄鹿;花花公子;
vt.& vi. （马等）猛然弓背跃起;抵制;猛然震荡;
🗣️ 情景例句
What a wonderful morning!
多么美好的早晨！
These clothes are very beautiful, but I can't afford to pay that much.
这些衣服很漂亮，但是我买不起。
I would suggest that you use this material instead of that.
我建议你改用这种替代那种。