A foul-up is a mess that happened because someone was careless or stupid — the plan went wrong, the papers got mixed, the wrong button got pressed. It is informal. You might hear it about an office, a trip, or the army: the hotel booking was a complete foul-up.

A foul-up Foul-up 是is a mess一團亂 that happened因為某人粗心或愚蠢而發生的 because someone was careless or stupid——the plan went wrong計畫出了差錯，the papers got mixed文件被搞混，the wrong button got pressed按錯了按鈕。It它 是 is informal非正式的。You你 might hear it可能會聽到有人這樣說 about an office, a trip, or the army關於辦公室、旅行或軍隊的事：the hotel booking飯店的訂房 was是 a complete foul-up一場徹底的foul-up。

It blames human bungling more than bad luck. A mix-up can be an innocent confusion; a foul-up points a finger, even if kindly.

It它 blames怪的是 human bungling人為的笨拙 more than而不是 bad luck運氣不好。A mix-up mix-up 可能是 can be an innocent confusion一個無心的混淆；a foul-up而foul-up 則會 points a finger指出是誰的錯，even if kindly即使說得客氣。

It comes from the phrasal verb to foul up, “to spoil something by making a mess of it.” You will also see foulup, or the two words written apart. Though actually, this is not a sports foul (a bad tackle) and not foul weather — here foul is “spoil.” Younger speakers often reach for screw-up or mess-up instead, which land in the same place; foul-up can sound a little last-century, but everyone still understands it.

It它 comes from來自 the phrasal verb片語動詞 to foul up to foul up，"to spoil something by making a mess of it"「把某件事搞得一團糟而毀了它」。You你 will also也會看到 see foulup foulup，or或 the two words written apart把兩個字分開寫。Though actually不過事實上，this這個字 is not不是 a sports foul運動場上的犯規（a bad tackle一次不好的擒抱）and也不是 not foul weather惡劣的天氣——here在這裡 foul foul是 is "spoil"「搞砸」的意思。Younger speakers年輕的說話者 often常常 reach for改用 screw-up or mess-up screw-up或mess-up instead來代替，which它們 land in the same place意思落在同一個地方；foul-up foul-up 可能聽起來 can sound有點 a little last-century有點上個世紀，but但 everyone大家 still仍然 understands it聽得懂。