picking up on a picking up on a phrase(it dose not matter what phrase)

picking up on a picking up on a phrase(it dose not matter what phrase)
picking up on a
picking up on a phrase
(it dose not matter what phrase)

picking up on a picking up on a phrase(it dose not matter what phrase)
picking up on a phrase熟悉一个惯用语
it dose not matter what phrase不在乎那个惯用语,那个习语也没关系
pick up on
与...熟悉起来
phrase
n.短语,习语,惯用语,成语,措词
vt.用短语表达

It means to draw something in a phrase

学习习语/自学习语（是什么习语没关系）