前用介词in，例如：
1.We're living in difficult times我们正处在困难时期。
2.Happiness is the instantaneous fireworks, or helps one another in difficult time?幸福是瞬间烟火，还是相濡以沫？
3.At home, Jake watched a lot of TV programmes about living in difficult situations.杰克在家里收看了很多关于如何在困难处境中生存下来的电视节目。
difficult前面可用介词of
