"Trouble" is a common term and can be used in several contexts. However, it is always advisable to enrich our vocabulary to prevent redundancy. Thus, some of the synonyms for "trouble" include difficulty, hassle, nuisance, predicament, and hardship. These words can replace "trouble" in different situations to give more expression to your thoughts, increasing your language proficiency. For instance, instead of saying, "I am having trouble comprehending this poem," you could say, "I am having difficulty understanding this poem." Overall, using appropriate synonyms enhances our communication skills and makes our writing more effective and engaging.