Fourthly you need to make sure to cross the river at night.

，需要确保在夜间过河。

Fourthly, take notes on what you're studying.

，记下正在学习的东西。

Fourthly, good writing achieves a clear purpose.

，好的写作有明确的目的。

Fourthly, they are also willing to establish good human relations in the class with students.

，他们也愿意在课堂上与学生建立良好的人际关系。

Fourthly, find an appropriate way of mapping and monitoring your own progress.

，找到一种适当的方法来规划和监测自己的进展。

Fourthly, the difference between dream and fantasy is that dream goes with sub-consciousness in which imagination can run free, and fantasy matches with consciousness in which imagination can be controlled.

，梦与幻想的区别在于梦伴随着潜意识，潜意识中想象可以自由流动，幻想与意识相匹配，潜意识中想象可以被控制。