词组be upset over/about/at的介词使用应该如何选择？

Question

如题所述

Answer 1

be upset at sb 对某人感到心烦,不安
be upset about sth 对某事感到心烦,不安
be upset with sb about sth 因某事对某人感到心烦
eg.He was upset at his uncle about laughing all the time
然而,be upset about\at\over sth 中的about、at、over几乎没有区别