heart and soul
eager love；strong feeling；great enthusiasm；wholly and eagerly忠心；热情；全心全意地；尽心尽力地
We should serve the people heart and soul．我们应该全心全意地为人民服务。
When I played the piano，my heart and soul is in it．当我弹钢琴时，我全身心地投入了。
John plays tennis badly，but with heart and soul．约翰网球打得不好，但他打得很认真。
She wants a puppy with all her heart and soul．她极想要一条小狗。
They were heart and soul against the new rules．他们竭力反对那些新规则。