exasperatingly slow
an exasperating situation
extremely exasperating
exasperating behavior
A: Why are you so frustrated today?
A：你今天怎么这么沮丧？
B: It is just this exasperating computer software; it keeps freezing!
B：只是因为这个该死的电脑软件，它一直死机！
1) 令人极度恼火的
2) 使人烦躁不安的
3) 让人感到挫败的
1. 令人恼火的，使人烦躁的
adjective
1. making someone feel extremely annoyed or frustrated
Synonym: irritating, frustrating, annoying