'I am trying' informs someone that you are attempting to accomplish something using bodily, mental, or spiritual strength. By adding a verb to 'I'm trying' you are pointing out exactly what it is you are attempting to do. 'I am trying'是告诉别人你在用你的身体、心理或者精神力量去试图完成一些事情，'I'm trying'通过添加一个动词，'I'm trying'是指出你要试图去做什么。
Here are some examples: 这里有一些例子： 

"I'm trying to get a job." 

我在试图找新的工作。

"I'm trying to call my family." 

我在试图给我家人打电话。

"I'm trying to enjoy my dinner." 

我试图享受我的晚餐。

"I'm trying to educate myself." 

我试图自我教育。

"I'm trying to explain myself." 

我试图解释一下。

"I'm trying new food." 

我试图尝试新的食物。

"I'm trying to eat healthy." 

我试图吃得健康。

"I'm trying to understand." 

我试图去理解。

You may also hear the word 'trying' used to express a way someone is feeling. In this manner, it expresses strain or distress.

你也可能听到'trying'这个词用来表达一个人的感觉，在这种方式中，它表示紧张或痛苦。

Here are some examples: 

"Learning new things can be trying on you." 

学习新的东西对你来说太难了。

"That marathon was very trying on me."  

马拉松对我来说太痛苦了。