他一心一意照顾生病的母亲,从不抱怨。Tā yìxīnyíyì zhàogù shēngbìng de mǔqīn, cóngbù bàoyuàn.He cares for his sick mother with complete devotion and never complains.
你只要一心一意练习,一定会进步。Nǐ zhǐyào yìxīnyíyì liànxí, yīdìng huì jìnbù.As long as you practice single-mindedly, you will certainly improve.
她一心一意做研究,很少参加娱乐活动。Tā yìxīnyíyì zuò yánjiū, hěn shǎo cānjiā yúlè huódòng.She devotes herself entirely to her research and rarely takes part in entertainment activities.