您仍然必须至少检查所有内容，直到在文本中找到一个为止，但这可以更加简洁:

You still have to check them all at least until one is found to be in the text, but it can be more concise:

keyword_list = ['motorcycle', 'bike', 'cycle', 'dirtbike']

if any(word in all_text for word in keyword_list):
    print 'found one of em'