1. 我认为我不配或甚至会带着警惕心。
I suppose I felt undeserving or perhaps even cautious.
2. 有时它就像依附在峭壁上的险径，警惕心不高的外国人就注定在摸索中误入歧途，然后尖叫到消失不见。
At times it could be likened to a steep mountain pass with a sheer cliff face on one side, off which the unwary westerner is doomed to blindly stumble, and scream all the way into oblivion.
3. 要成为好邻居，灵位一个重要的方面就是有警惕心。
Another important aspect of being a good neighbor is to be vigilant.
4. 惕心
4. 经过单独相处，她解除了孩子们对她的警惕心，并且教他们音乐的基本知识（Do-Re-Mi）。
Alone with them, she breaks through their wariness and teaches them the basics of music (Do-Re-Mi).