Definition (行為)
This phrase is used to indicate that you believe someone is acting unwisely or foolishly.
（表示對方做了愚蠢的事情）真傻
"He invested all his savings in that startup company." "More fool him, the company was so risky!"
"他把所有積蓄都投資在那家新創公司。" "真是傻瓜，那家公司風險那麼大！"
"She gave the salesman money knowing he was unreliable." "More fool her, she was warned not to do that!"
"她明知那個推銷員不可靠，還是給了他錢。" "真是傻瓜，她已經被警告不要那樣做了！"
"They signed the contract without checking it carefully." "More fool them, it will cost them later."
"他們沒有仔細檢查就簽了合約。" "真是傻瓜，以後會讓他們付出代價的。"