她刚把信投进信箱就后悔了。
Hardly had she dropped the letter in the box when she regretted it.
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hardly英 /ˈhɑːdli/|美 /ˈhɑrdli/
had英 /hæd/|美 /hæd/
解释
"hardly" 前置+倒装，主句表瞬间动作，when 分句表随即出现的情绪反应。
Hardly had she dropped the letter in the box when she regretted it.
"hardly" 前置+倒装，主句表瞬间动作，when 分句表随即出现的情绪反应。