sign n. 標記，符號，手勢，姿勢，征兆，跡象 v. 簽名，署名

例句：A nod is a sign of agreement.
點頭是同意的姿勢。

assign vt. 分配，指派 v. 賦值
例句：Influenced by old ideas, some corporations assign posts according to seniority.
由于受舊觀念的影響，有些公司按資排輩來分配工作。

assignment n. 分配，委派，任務，（課外）作業(yè)
例句：How are you going to get through the assignment?
你將如何完成作業(yè)？

delegate n. 代表 vt. 互派……為代表……
例句：The new manager was delegated to reorganize the department.
這位新經(jīng)理被委派為重新組織該部門的代表

design n. 設計，圖案，企圖，構思 v. 設計，計劃，構思
例句：The scarfs were designed for extremely cold climates.
這些圍巾是為嚴寒地區(qū)制造的。

designate vt. 指明，任命，指派 v. 指定，指派
例句：The chairman has designated that boy as his successor.
主席已經(jīng)指定那個男孩做他的繼承人。

signify v. 表示，意味，頗為重要，表示
例句：A headache usually signifies that there is something wrong with the body.
頭疼通常意味著身體有點毛病。

significant adj. 有意義的，重大的，重要的
例句：Even in the same or similar cultures, there can be significant misunderstandings in oral communication．
即使在相同或相似的文化背景下，口頭交流也可能有明顯的誤解。

significance n. 意義，重要性
例句：This new discovery of oil is of great significance to this country’s.
這次新發(fā)現(xiàn)的石油對這個國家的經(jīng)濟有著重大的意義。