一回事

tā men shuō de gēn běn bù shì yī huí shì

他们说的根本不是一回事。

They are not talking about the same thing at all.

wǒ men bù gāi shì zhàn zhēng hé guāng róng wéi tóng yī huí shì

我们不该视战争和光荣为同一回事。

We should not equate war with glory.

nǐ men qīn yǎn suǒ jiàn de kě bù shì nà me yī huí shì

你们亲眼所见的可不是那么一回事。

The evidence of your eyes tells us a different story.

zhǔ guān yuàn wàng shì yī huí shì shí jì qíng kuàng yòu shì yī huí shì

主观愿望是一回事，实际情况又是一回事。

Subjective wishes are one thing, and objective reality is another.

shuō shì yī huí shì zuò shì lìng yī huí shì

说是一回事，做是另一回事。

It's one thing to say it, quite another to do it.

dòu nǐ dì di wán shì yī huí shì dàn dǎ tā nà jiù lìng dāng bié lùn le

逗你弟弟玩是一回事，但打他那就另当别论了。

It's one thing to tease your brother, but it's another to hit him.

tā huà de hái tǐng xiàng nà me yī huí shì

他画得还挺像那么一回事。

His paintings are really something.

wǒ zhǐ bu guò suí biàn yī shuō ér yǐ shuí zhī dào tā bǎ tā dàng chéng yī huí shì le

我只不过随便一说而已，谁知道他把它当成一回事了。

I said it casually but he took it very seriously.

gēn běn jiù méi yǒu zhè me yī huí shì

根本就没有这么一回事。

That's absolutely not the case.