名詞 heart and soul:

1. the choicest or most essential or most vital part of some idea or experience
   同義詞：kernel, substance, core, center, essence, gist, heart, inwardness, marrow, meat, nub, pith, sum, nitty-gritty

副詞 heart and soul:

1. with complete faith
   同義詞：body and soul

1. Otherwise he would still be teaching, because his heart and soul were still in the classroom with his students.
   要不然他還會在教書，因?yàn)樗男娜匀辉谡n堂上和他的學(xué)生們在一起。
2. Jane plays tennis badly, but with heart and soul.
   簡網(wǎng)球打得不好，但卻全力以赴。
3. He serves the people heart and soul.
   他全心全意為人民服務(wù)。