dip in
(to something) 1. . to reach into a liquid. I dipped into the dishwater, looking for the missing spoon. I dipped in and there it was.
2. to reach into a substance, usually to remove some of the substance. I dipped into the sour cream with a potato chip and brought out an enormous glob. He grabbed the jar of peanut butter and dipped in.
3. [for something] to sink or lower into a liquid. The oars dipped into the water and came out again. The lower branches sagged down to the water and dipped in.
dip something in(to) something
and dip something into put something into a substance in order to take some of it. Tom dipped some of the bread into the cheese sauce. Dip in the bread again and get some more cheese on it.