老师刚转过身，全班就安静了。
Hardly had the teacher turned around when the class fell silent.
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hardly英 /ˈhɑːdli/|美 /ˈhɑrdli/
had英 /hæd/|美 /hæd/
解释
"hardly" 前置+倒装，用教室场景演示目标结构的瞬间切换效果。
Hardly had the teacher turned around when the class fell silent.
"hardly" 前置+倒装，用教室场景演示目标结构的瞬间切换效果。