According to a study of race and equity in education, black athletes are dropping out of college across the country at alarming rates.
2017年6月六级真题（第一套）听力 Section A
Although more than a third have an object in their rooms they would like to keep secret from their parents, rarely is it anything more alarming than a diary or off-color 低俗的 book or CD.
2016年6月六级真题（第一套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
使人惊恐的；令人忧虑的；让人担心的
Something that is alarming makes you feel afraid or anxious that something unpleasant or dangerous might happen.