/,ʌndə'fʊt; ,ʌndɚ`fut/
adv under one's feet; on the ground 在脚下; 在地上
*The snow underfoot wassoft and deep. 脚下的雪又软又厚.
* It's muddy underfoot.地上很泥泞.
* Fallen riders were trampled underfoot by the charging horses. 摔下来的骑手遭飞奔马群践踏.

adv
under your feet where you are walking
wet/firm/soft etc underfoot
　The wet wood is very slippery underfoot.
trample sb/sth underfoot
a) to crush someone or something on the ground by stepping heavily on them
b) to completely destroy someone or something