put up a good front(делать вид, что всё нормально в ситуации, когда дела в действительности идут плохо to pretend that everything is fine when things are actually going quite badly)
sour puss("If you had something to push up, you wouldn't be sitting there with a sour puss." "How could you see my sour puss where I was sitting?"Svetlana D)