Box up and Crack down

Box up verb - Enclose or confine as if in a box.

Crack down and box up are semantically related in hold back topic. In some cases you can use "Crack down" instead a verb "Box up".

Crack down verb - Repress or suppress (something regarded as undesirable).

Box up and crack down are semantically related in hold back topic. Sometimes you can use "Box up" instead a verb "Crack down".