Certainly not
不, 当然不行
🧩 词语组成解析
not
[nɑt]
adv. 不;[用以表示否定、否认、拒绝、禁止等]不是;几乎不;未必，没有[用于否定后面的词或短语];
🗣️ 情景例句
I care.
我关心。
I ran all the way to school, otherwise I'd have been late.
我一路跑到学校，不然就迟到了。
Please come in and sit down. But come to school earlier next time.
但下次要早点到校。