“麻烦的”的英语？

我可不是开玩笑,事情够麻烦的了.I'm serious, things are difficult enough as they are.更麻烦的是，每个人对维生素的需求量是不同的。To complicate matters further, everybody's vitamin requirements vary.买房子会是件很麻烦的事。Buying a house can be a very tiresome ...