by the skin of your teeth
US /baɪ ðə skɪn ʌv jʊɚ tiθ/
・UK /baɪ ðə skɪn əv jə ti:θ/
B2 中高級
idm.差一點點才成功
He passed the exam by the skin of his teeth, barely making it.
影片字幕
學英文：8 個考試必考的慣用語！ (Learn English: 8 TEST & EXAM Expressions)
- of a "C" or a "D". If you get a 51%, you passed by the skin of your teeth. Okay?
- If 50 is, you know, a fail—anything below 50 is a fail—and you pass by the skin of your teeth, it means you got a 51 percent.
如果 50 分是，你知道的，不及格——任何低於 50 分都不及格——而你擦邊球通過，這表示你得了 51 分。