英语翻译你要再不闭嘴,我就一拳把你打倒在地.（注意虚拟）尽管我很想帮你,但我真的是无能为力.提示：一拳把你打倒在地（knockedyoutothegroundwithasharpblow)无能为力(therewasnothing)

Question

英语翻译
你要再不闭嘴,我就一拳把你打倒在地.（注意虚拟）
尽管我很想帮你,但我真的是无能为力.
提示：一拳把你打倒在地（knocked you to the ground
with a sharp blow)
无能为力(there was nothing)

Answer 1

1 If you didn't shut your mouse,I would knock you to the ground with a sharp blow.
表示与将来相反的事实,主句用would/should/could + 动词原形,从句用过去时态.
2 Although I had been eager to help you ,there was nothing .
表示与过去相反的事实,主句用过去时态,从句用过去完成时态.