nitpick v. 挑剔，吹毛求疵；pick n.镐，鹤嘴锄；prick vt.刺(穿) n.刺孔；quick adj.快的，迅速的；rick n. 干草堆；rollick vi.n. 欢闹；seasick a. 晕船的；sick a.有病的；恶心的
