A 八九不离十
very near. not far out.

【发音】bā jiǔ bù lí shí

【释义】指估计，预计的结果与实际情况很接近。
            This phrase indicates that one's estimation is pretty close to the facts.

【例1】你猜得八九不离十。
           Your guess isn't far out.

【例2】这些估计虽然不是绝对保险，但也八九不离十。
           These calculations, though not always one hundred percent accurate, were never far out. 

B 八辈子Chinese slangs
eight generations.

【发音】bā bèi zǐ

【释义】好几辈子，形容很深的程度或很长的时间。
            For generations. People use this phrase to express a great extent or a long time.

【例1】我真是倒了八辈子的霉了。
           What a long string of bad luck i've got!

【例2】 那是八辈子以前的事了。
            That was a million years ago.