grasp all,lose all ❍ ～。如果你想同时学几样东西，就会分散注意力，结果一无所获。Grasp all,lose all. If you try to learn several things at the same time,you will divert your attentionand gain nothing.
贪多必失tān duō bì shī
贪污太多，必然会失去。形容追求得太多，反而达不到目的。Grasp all, lose all. All covet, all lose.