be a shrewd or prudent person
并不傻，精明
(proverb)a foolish person spends money carelessly and will soon be penniless
(谚)蠢人不积财
(proverb)people without good sense or judgement will have no hesitation in tackling a situation that even the wisest would avoid
(谚)智者三思之事蠢人急不可待
trick or deceive (someone) so that they look foolish
愚弄，欺骗（某人）
used as an exclamation indicating that a specified person is unwise to behave in such a way
（某人那样做）真傻
if suckers will actually pay to do the work, more fool them.
如果有笨蛋愿花钱做那种事，那真是傻透了！。
behave in a playful or silly way
扮丑角，逗人笑；做傻瓜，干蠢事
(proverb)the foolish behaviour of an older person seems especially foolish as they are expected to think and act more sensibly than a younger one
(谚)老人做的蠢事最愚蠢
used to express cynicism or doubt about an assertion
你别骗我啦！（对别人说法表示嘲讽或怀疑）
‘Fun, was it? Well, you could have fooled me!’.
“有趣，是吗？得了，别骗我啦！”。
To engage in idle or casual activity; putter
干一些无聊或随便的事；懒散地工作
was fooling around with some figures in hopes of balancing the budget.
懒散地算着数字，希望能平衡开支
To engage in frivolous activity; make fun.
做轻浮的事；开玩笑
To engage in casual, often promiscuous sexual acts.
滥交：从事随意，常是乱搞性行为
To waste (time or money) foolishly; squander
愚蠢地浪费（时间或钱）；挥霍
fooled away the week's pay on Friday night.
周五晚上花掉了整个星期的工资
To act in an irresponsible or foolish manner.
出丑：以愚蠢而不负责任的表现
To behave in a playful or comical manner.
以滑稽，玩笑的方式行动