Stiffer
a. 更硬的（sniff的比较级）
🗣️ 情景例句
I can't make sense of it.
这个我弄不明白。
Self-confidence is the first requisite to human greatness.
人类的伟大，首要的是要有自信。
My grammar is improving, but I find idioms and useful expressions hard to learn.
我的语法在进步，但我发现习语和有用表达很难学。