?三心二意
... triangle 三角形 undecisive 三心二意 square 四方 ...
The battle at Hampton Roads between the Virginia and the Monitor was undecisive.
VOA : special.2009.09.10
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。