dip into something
phrasal verb with dip verb uk/dɪp/ us/dɪp/ -pp-
(BOOK)
UK随便翻翻，浏览
to read small parts of a book or magazine
It's the kind of book you can just dip into. 这是一本可以不时拿出来翻翻的书。
(MONEY)
动用，花费（部分积蓄）
to spend part of a supply of money that you have been keeping or saving
I had to dip into my savings to pay for the repairs. 我不得不动用部分积蓄来支付修理费。