八九不离十(bā jiǔ bù lí shí)to be pretty close; very near

Explanation

“八九不离十”指与实际情况很接近。一般常常出现在口语中。
“八九不离十” means to be very close to the actual situation. It often appears in spoken Chinese.

Words:

cāi:guess;
笔记bǐjì:note.

Sentences

1. Jiǎ:Zánmen de fāng’àn lǎobǎn yǐjīng pī le.
甲:咱们的方案老板已经批了。
A: Our program has already been approved by our boss.

Yǐ:Jiéguǒ gēn wǒ cāide bā jiǔ bù lí shí.
乙:结果跟我猜的八九不离十。
B: That result is pretty close to what I guessed.

2. Jiǎ:Nǐ jìde bǐjì wánzhěng ma?
甲:你记的笔记完整吗?
A: Is your note finished?

Yǐ:Bā jiǔ bù lí shí ba.
乙:八九不离十吧。
B: Almost done.

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