Watch moment Holly Willoughby left screaming and swearing as she braves white-knuckle lap round F1 trackFrom the headline of this article at The Sun.
上記の文で、white-knuckleの意味は?
In the sentence above, what does "white-knuckle" mean?
答えは、コメントに書いてください。
Write your answer in the Comments.
明日、ここに答えを書きます。
I will add the answer and other remarks here tomorrow.