重点讲解：
1. threaten to do sth.
威胁；恐吓做某事；
eg. He said army officers had threatened to destroy the town.
他说陆军军官们曾威胁要摧毁那座小镇tGxL0wH|^PJkelzO[。
eg. He can even threaten to call the deal off.
他甚至还可以威胁要取消这笔交易XU2G0CnR*FV0e6PMQZ。
2. go down
（太阳）落下；
We sat and watched the sun go down.
我们坐着观看日落eW##m5,HDMymq0n*i~a[。
As the sun went down the whole sky became suffused with a red glow.
当太阳西沉时，整个天空布满了一片红色晚霞QLX%Rtwn9vC^em9j。
3. be attracted to
吸引住；被诱惑；
eg. In spite of her hostility, she was attracted to him.
尽管自己心存敌意，她还是为他所吸引PX*5.edn2w4c。
eg. He was nice looking, but I wasn't deeply attracted to him.
他长得很帅，可我对他不是很有感觉R@)uNGX.%&umR。