🧩 词语组成解析
🗣️ 情景例句
Keep your nose to the grindstone; you'll succeed.
埋头苦干，总有成功的一天。
Would you consider going north this summer?
你将考虑今年夏天向北去吗？
What's the basis of your belief that the product is safe?
你凭什么相信产品是安全的？