English Slang collection：
come clean
[释] to confess all;
[例] The criminal decided to come clean.;
come down on
[释] to punish, oppose, or reprimand severely and often with force;
[例] After collecting enough evidence, the district attorney came down hard on drug dealers.
come down to
[释] to confront / deal with forthrightly;
[例] When you come down to it, you have to admit I'm correct.;
come down with
[释] to become sick with (an illness);
[例] School has to find a sub-teacher because Miss. Jones came down with the flu.
come in for
[释] to receive;
[例] The earthquake refugees in the shelters came in for food, water and medicine.;
come out with
[释] to put into words/say;
[例] In the next few weeks, the banks will come out with the results for the first half of the year.