1. 跟着 can be used to mean “accordingly” as seen in 没错，像电视上的一些模特儿，因为很认真地做好她们的工作，所以连身上穿的衣服 都好像跟着变得更漂亮了.

2. 危险 can be an adjective or a noun. When used as a noun, we talk of danger “happening”, as seen in 这样不但对身体造成伤害，也很容易发生危险.

3. 曾经 is used when you have experienced something in the past – one or more times. We see it used in:
a. 我以前曾经忘记过很重要的事情.
b. 我也曾经在电视新闻上看到有些人甚至为了买东西结果就吵架了. 真是太夸张了.

4. We have seen 存 used before in the context of saving money in a bank. We see a more general usage in 我除了能把重要的事情存在手机里面，还能设定闹钟时间.

5. 夸张 can also be used in the context of “going overboard”, as seen in 我也曾经在电视新闻上看到有些人甚至为了买东西结果就吵架了. 真是太夸张了.