Английский словарь американских идиом - dip into

{v. phr.} 1. To scan or sample lightly and briefly (said of printed materials). * /I didn't get a chance to read all of War and Peace, but I dipped into it here and there./ 2. To take money out of a savings account or a piggy bank. * /I am sorry to have to say that I had to dip into the piggy bank; I took out $ 6.7 5./