in stories for children, a creature like a little man with magical powers

Snow White and the Seven Dwarfs 《白雪公主和七个小矮人》

a word, which is often offensive, for a person who has a medical condition that causes their height to be much shorter than average

very small

You can grow dwarf conifers in pots on the patio. 你可以在阳台上种些矮小的针叶树盆栽。

If one thing dwarfs another, it makes it seem small by comparison.

The new skyscraper will dwarf all those near it. 新建的摩天大楼会让周围的建筑都显得很矮小。

This new crisis may well dwarf most that have gone before. 这场新的危机可能比以往的大多数危机都严重得多。