Improving your English vocabulary

On the left side there are some common expressions, in place of those try to use the more advanced adjectives on the right side:

common expression	advanced expression
a bad problem	a critical problem a key problem a serious problem a challenging problem
a great issue	a controversial issue an outstanding issue a sensitive issue a crucial issue an engaging issue a complex issue a current issue a popular issue a widespread issue a worldwide issue an attention-grabbing issue
a difficult situation	a hard situation a tough situation an awkward situation a critical situation a complicated situation an intricate situation a confusing situation a pertinent situation
a good idea	a novel idea a fantastic idea a smart idea an inspired idea a clever idea a weird idea an innovative idea
a nice plan	an attractive plan a brilliant plan a bright plan a plausible plan a feasible plan a structured plan an astonishing plan an exhaustive plan an innovative plan a forward-thinking plan