《汤姆·索亚历险记》（The Adventures of Tom Sawyer）是美国小说家马克·吐温1876年发表的长篇小说。
小说的故事发生在19世纪上半世纪美国密西西比河畔的一个普通小镇上。主人公汤姆·索亚天真活泼、敢于探险、追求自由，不堪忍受束缚个性、枯燥乏味的生活，幻想干一番英雄事业。
小说的时代在南北战争前，写的虽是圣彼得堡小镇，但该镇某种程度上可以说是当时美国社会的缩影。小说通过主人公的冒险经历，对美国虚伪庸俗的社会习俗、伪善的宗教仪式和刻板陈腐的学校教育进行了讽刺和批判，以欢快的笔调描写了少年儿童自由活泼的心灵。
第七章 扁虱之争，蓓姬伤心
上课时，汤姆和哈克在一块玩那只虱子，他们投入的玩，不久争吵起来，老师收拾了他们。中午，汤姆让蓓姬和他订婚，还吻了她，但汤姆说漏了嘴，让蓓姬知道了他还曾与亚美订过婚，蓓姬哭起来，汤姆没办法，就伤心的走了，蓓姬后悔起来。
CHAPTER SEVEN
Tom Gets Engaged
At lunchtime, after the teacher had left the classroom, Tom went to sit with Becky and taught her how to draw. They drew only for a little while and then started talking instead:
"Tell me, Becky, have you ever promised to marry a boy before?"
"No. Of course Not."
"Would you like to promise to marry someone?"
"Maybe, but I don't know how."
"It's easy. You just agree to marry the boy, kiss him, and that's it."
"Kiss? What for?"
"It's just what people do. Do you remember what I wrote?"
"Yes."
"What did I write? If you don't, I can say it again."
Becky just laughed and said, "Not now."
"But I want to say it now. OK, I'll say it quietly in your ear." He put his mouth close to her ear and whispered the words. Then he sat back and said, "Do you want to say it to me?"
She became embarrassed and asked him to look the other way. Then she put her hand to his ear and whispered the same words: "I love you," and ran away from him. He started to try to catch her as she ran between the tables and chairs in the classroom. Finally, he caught her, but she covered her face with her hands. Tom waited patiently for her to remove her hands, and when she eventually did, he kissed her and said, "Now you've promised to marry me. You can never love another boy."
"OK. And you can never marry another girl."
"Of course. I'll love and marry only you and we'll play together everyday."
"I think I like this kind of promise. What do you call it?"
"It's called 'getting engaged'. I like it too. I and Amy Lawrence were ... "
But Tom stopped when he saw Becky's eyes get bigger. She was clearly not happy anymore.
"You mean you've been engaged to other girls before?" Becky cried.
"Oh ... well, I ... I never did marry Amy and I don't love her anymore."
Seeing that she didn't seem to feel better, Tom took a gold-colored ball from his pocket and tried to give it to her. She took it and threw it on the ground. Tom felt both hurt and angry. He walked out of the school and into the forest, and he planned to stay there for the rest of the day.
Becky thought that he would come back a few minutes later, but when he didn't, she started to call out for him: "Tom! Where did you go? Please come back!" When no reply came, she started to cry even harder than before.
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