一心一意 相关的反义词：
三心二意 心猿意马
中文解释：
【解释】：只有一个心眼儿，没有别的考虑。
【出自】：《三国志·魏志·杜恕传》：“免为庶人，徙章武郡，是岁嘉平元年。”裴松之注引《杜氏新书》：“故推一心，任一意，直而行之耳。”
【示例】：所以彭官保便～的料理防守事宜，庄制军便～料理军需器械。
◎清·张春帆《宦海》第四回
【语法】：联合式;作定语、状语;含褒义
英文解释
put one's whole heart into;apply [bend] the mind to;be bent on;be bent wholeheartedly on;undivided attention ;
例句
他们重新发起一轮广告攻势，向公众表明他们会一心一意改正缺点。
They renewed an advertisement campaign to show the public their dedication to fixing their deficiencies.
尽管他在这屋里是个生人，最后却缩到一张巨大的莫里斯安乐椅上，让自己脱离人群一心一意读起一本他从自己口袋里抽出的小册子。
Though a stranger in the house he finally isolated himself in the midst of the company, huddling into a capacious morris chair andreading steadily from a thin volume he had drawn from his pocket.
直至最近发生召回事件之前，丰田(toyota)一心一意要搞垮底特律的行动，实质上得到了一路绿灯。
Until its recent recall, toyota was given a virtually free hand in its single-minded pursuit of detroit's destruction.