1. trigger vt. 引起，觸發
• The mayor’s speech triggered a riot among the crowd.
2. aggressive a.
aggression n. 攻擊（行為）；侵略
• Japan was very aggressive in the early part of the 20th century.
• Television violence can encourage aggression in children.
3. disapproval n. 不贊同，反對
• People often interpret a frown as a sign of disapproval.
4. contempt n. 輕蔑
• The father stared at his daughter’s boyfriend with contempt in his eyes.
5. intentional a. 有意的；蓄意的
• Jenny did trip David, but it wasn’t intentional.
6. verbal a. 口頭的
• I think we need a written contract, not a verbal one.
7. assault n. 攻擊
• The criminal committed an assault on the owner of the store during the robbery.
8. subtle a. 細微的，難以覺察的
• These two pictures may look alike, but there are subtle differences between them.
9. suggest vt. 顯示；暗示
• All the evidence suggests (that) the suspect is guilty of murder.
10. assert vt. 聲張；聲稱
• The aim of this demonstration is to assert the will of the people.
11. reference n. 參考；提及
• There are several references to the author’s friends in her new novel.
12. association n. 關係（之後與介詞 with 並用）
• Our school maintains a close association with a college in the US.
13. gesture n.（肢體）動作；表態
• I offered to reduce the price as a gesture of goodwill.
14. communication n. 溝通
• Our misunderstandings arose from a lack of communication.