大家好，歡迎來的餅哥英語的頻道，今天我們分享一個非常有用且地道的表達——have a screw loose, 這個短語的含義不是指「螺絲鬆了」，其正確的含義是：
have a screw loose 出故障；出毛病；神經有點兒不正常
That guy on the corner must have a screw loose or something, because he's been standing out there yelling obscenities at passersby all morning.
角落裡的那個人一定是神經有點兒不正常， 因為他整個早上都站在外面對著路人大喊大叫的。
My old uncle Pete has a few screws loose, but he's a really nice guy.
我的老叔叔皮特神經有點不正常， 但他是一個真正的好人。
What's the matter with you? Do you have a screw loose, or what?
你到底怎麼了？你是神經有點兒不正常嗎，還是怎麼的？
He's sort of strange. I think he's got a loose screw.
他有點奇怪，我想他神經有點不正常。
Yes, he has a screw loose somewhere. He wears a heavy jacket in the middle of summer.
是得，他神經有點不正常。他在夏天穿著一件厚厚的夾克。