underfoot
adverb uk/ˌʌn.dəˈfʊt/ us/ˌʌn.dɚˈfʊt/
在脚下；在地上
under your feet as you walk; on the ground
The grass was cool and pleasant underfoot. 脚下的草地凉爽宜人。
Many people were trampled/crushed underfoot when the police tried to break up the demonstration. 当警察试图驱散游行队伍时，许多人被踩在脚下／挤倒在地。