3000确实有些很奇怪的单词解释。
vocabulary那个关于formidable的解释太吊了
What do the national debt, your old gym teacher, and your mother-in-law have in common? They're all formidable — that is, they inspire fear and respect thanks to their size, or special ability, or unusual qualities. (Or possibly all three in the case of your mother-in-law.)