a chip off the old block
someone who is very similar in character to their father or mother
(性格上)酷似父亲(或母亲)的人
chip在这里表示碎片，block指块状物。这里可以指老朽木，从老朽木上掉下来的碎片自然是和原来的材质都是一样的。
She's strong, she's brave, she's beautiful. She's a chipoff the old block.
木兰强壮，又勇敢，长得还好看。她就跟她爹一模一样。
Jonathan is a real chip off the old block. He argues about things in just the way his father did.
乔纳森与他父亲简直就是一个模子里印出来的。他在为某些事辩论时的样子简直是他父亲。
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