Being surrounded by a plethora of germs, may give way to getting sick on holiday, which can not only sour the mood, but put the baby in danger. (babygaga.com)
When I saw Monreal as central again this week it really soured my mood right there even before the game started. (justarsenal.com)
Canada has yet to experience such a backlash, but the recent furor over temporary foreign workers and simmering resentment in some quarters against immigrants could sour the mood towards foreign students. (canadianbusiness.com)