What am I supposed to do? 我该怎么办？| We're in big trouble. 这下可麻烦了。| It's a pain in the neck. 真是令人头疼的事。| I'm at a loss as to what to say. 我不知道说什么才好。| The idea haunts me. 那个想法困扰着我。| You look confused. 你看上去很困惑。