n.<美口>笨人,迟钝的人,易上当受骗的人
A shoal of fish will do this.
鱼群也会反射声音的.
He was transferred to Shoal Creek Mental Institution for an indefinite period.
他被转到了肖尔溪精神病院,要在那里无限期地呆下去。
The boat struck a shoal and fetched up all standing.
那艘船撞上浅滩突然停了下来。