Rosie, although small, could pack a hefty punch.

罗西虽然个子小，出手却有劲。

We have a hefty dossier on his exploits in the war.

关于他在战争中的英勇事迹,我们有多的资料。

The film also contains a hefty dose of comedy.

这部电影同样带有浓厚的喜剧色彩。