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“一心一意”，汉语成语，意思是形容做事专心一意，一门心思地只做一件事。可以翻译为“give one’s whole mind to， with one’s whole heart and soul或put one’s whole heart into”等。
例句：
他一心一意准备试验。His whole mind was trying out the experiment.
他们能一心一意教学而没有后顾之忧。They can teach with one heart and one mind without the worries behind.
