something that is a sure to occur; a foregone conclusion
同义词：slam dunk
a forceful dunk
make a forceful move against
make a slam dunk; shoot a basketball in a slam dunk
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。