(I'll be/I'm) damned if ...spoken not polite used to make a negative statement in a strong way （我）绝对不…〔表示强烈的否定〕‘Where’s Wally?’ ‘Damned if I know.’ (=I don’t know) “沃利在哪里？” “鬼才知道呢。”
I’ll be damned if I can find my keys (=I can’t find them). 我怎么也找不到钥匙。
I’ll be damned if I let him in the house (=I won’t let him in). 我决不让他进屋。
→ (I’ll be/I’m) damned if ... at damn4(2)