一心yīxīnTop 15000Meanings1. wholeheartedly2. heart and soulCharacters used一one心heartExamples2一心yīxīn不可bùkě二èr用yòng。You can't do two things at once.你nǐ不能bùnéng一心yīxīn两用liǎngyòng。You can't do two things at once.