Unit 97

grin / chagrin

grin v. 咧嘴笑 (to smile widely) /ɡrɪn/

• Trey grinned happily at the thought of a long and relaxing summer holiday.

chagrin n. 苦恼，烦恼 (a feeling of being frustrated or annoyed because of failure or disappointment) /ʃəˈɡrɪn/

• Hu felt quite chagrined when he realized that he had left his homework on his kitchen table.

demolish / demonic

demolish v. 拆毁 (to forcefully tear down or take apart (a structure)) /dɪˈmɒlɪʃ/

• The workers used a giant wrecking ball to demolish the building.

demonic adj. 恶魔的，魔鬼的 (of, relating to, or suggestive of a demon) /dɪˈmɒnɪk/

• The horror film The Exorcist made liberal use of demonic voices to scare the audience.

demoralize / demonize

demoralize v. 使...泄气 (to weaken the morale of (a person or group)) /dɪˈmɒrəlʌɪz/

• We felt dreadfully demoralized after receiving low scores on our practice exams.

demonize v. 使士气低落 (to cause someone or a group, to appear evil) /ˈdiːmənʌɪz/

• History has rightly demonized Adolf Hitler as a monster.

gratuitous / gratitude / ingratiate

gratuitous adj. 不必要的，未要求的 (not necessary or appropriate) /ɡrəˈtjuːɪtəs/

• The R-rated movie had too much gratuitous sex and violence.

gratitude n. 感激 (the state of being grateful) /ˈɡratɪtjuːd/

• Morgan's gratitude towards her parents knew no bounds after they gave her a pony for her birthday.

ingratiate v. 讨好 (to gain favor or approval for (yourself) by doing or saying things that people like) /ɪnˈɡreɪʃɪeɪt/

• Jeff tried to ingratiate himself with the golf club members by complimenting them on their swings.