v. 使污秽( foul的过去式和过去分词 ); 弄脏; 击球出界; （通常用废物）弄脏

v hit a foul ball

v make impure

v become or cause to become obstructed

v commit a foul; break the rules

v spot, stain, or pollute

v make unclean

v become soiled and dirty

s made dirty or foul

s especially of a ship's lines etc