by the skin of one's teeth片語KK [baɪ ðə skɪn ʌv wʌnz tiθ] /baɪ ðə skɪn ʌv wʌnz tiθ/發音片語1勉強、僅以毫釐之差、險險地口語He passed the final exam by the skin of his teeth.他勉強通過了期末考試。2差一點就沒能、九死一生地They escaped the burning building by the skin of their teeth.他們差一點就沒能逃出那棟燃燒的大樓。