How to Make Daily-Use Short Sentences into Chinese?
Series 1: Two-Character Chinese Sentences

Refuse With "No Way" In Chinese

不行！[Bù xíng]

不行 - (Bù xíng) - "No way" in Chinese

You are able to speak 不行！ to refuse others in Chinese, equivalent to "No way!" in English.

拒绝别人时，可以用中文说“不行！”，等同于英语里“No way!”的含义。

Answer With "Not yet" In Chinese

还没！[Hái méi]

还没 - (Hái méi) - "Not yet" in Chinese

You are able to speak 还没！ as an answer in Chinese, equivalent to "Not yet!" in English.

回答别人时，可以用中文说 “还没！”，等同于英语里 “Not yet!” 的含义。

Rude "Shut up" In Spoken Chinese

闭嘴！[Bì zuǐ]

闭嘴 - (Bì zuǐ) - "Shut up!" in Chinese

Sometimes, the short Chinese sentences 闭嘴！ is spoken in a rude attitude towards some annoying person, equivalent to "Shut up" in English. And the Chinese character 嘴 (zuǐ) means the "mouth" in Chinese.

有时，会对某些讨厌的人粗鲁地说 “闭嘴！”，等同于英语里的 “Shut up!”。其中，汉字 “嘴” 指的是 “Mouth”。

"See you" And "So long" In Chinese

再见！[Zài jiàn]

再见！ - (Zài jiàn) 或 拜拜！ - (Bāi bāi) - "See you" in Chinese

再见！ - (Zài jiàn) - "So long" in Chinese

Both "See you" and "So long" can be translated into two-character Chinese 再见. As the casual word to speak daily, "See you" in Chinese is also equivalent to the casual expression 拜拜 in Chinese.

“See you” 和 “So long” 翻译成中文都是“再见”。另外， “See you” 就等于人们口头常说的 “拜拜”，是生活中常见的口头语。

Two-Character Chinese Of "Why not?"

好呀！[Hǎo ya]

好呀！ - (Hǎo ya) - "Why not?" in Chinese

Generally, the shot sentence "Why not" can be literally turned into Chinese like 为什么不?", which is consequently understood as 好 (hǎo), 好啊 (hǎo a), or 好呀 (hǎo ya) to show one's acceptance or agreement.

通常，若直译，"Why not"的中文含义是“为什么不”，进而可理解为 “好”、“好啊”、“好呀” 来表示同意。

Thanks for reading! More Chinese sentences on the way...