at heart

本质上, 实际上, 在内心

例句与用法：

I'm a country girl at heart.

我实际上是个乡下姑娘。

He's a real softie at heart.

他真是个好心人。

She left her home reluctantly and sick at heart.

她依依不舍地离开了家，心情很沉重。

She felt sick at heart when she heard the bad news.

她听到这不幸的消息感到很难过。

Indeed he has a solemn face, but he is very humorous at heart.

他的确有一副严肃的脸孔，但内心却是很富幽默感。

Wives say that men are invariably children at heart.

妻子们说男人实际上永远是孩子。

详细释义：

内心里; 本质上; 实际上

He seems nice, but he's dishonest at heart.

他表面上很好, 实际上并不诚实。