1 not deep; with not much distance between top and bottom 不深的;浅的:
The sea is very shallow here.这里的海水很浅。a shallow dish浅盘子
2 not having or showing serious or deep thought 肤浅的;浅薄的:
a shallow person/book思想肤浅的人;内容浅薄的书 [OPP] for both senses deep 两个义项的反义词皆为deep➔shallownessnoun [U]