be used by ,be careful of ,be worried about ,是be +形容词+介词的...答:“be+形容词+介词”结构的例子还有:be good at, be famous for, be proud of, be afraid of, be aware of, be capable of, be full of, be different from, be happy with, be clever with, be familiar with, be rich in, be helpful in, be blind to 如希望进一步研究,欢迎发邮件...