When it comes to troublesome problems, sometimes finding the right word to express them can be a challenge. Some synonyms for this phrase include difficult issues, problematic situations, challenging obstacles, vexing dilemmas, or complex predicaments. These words all convey a sense of difficulty or challenge, implying that the problem at hand is not easily solved. Other words that might be used to describe troublesome problems could include thorny issues, knotty conundrums, or sticky situations. No matter the word chosen, it is clear that these problems require careful thought and consideration to overcome.