词汇解析：失去的反义词
📚 主要反义词
1. gain 获得
She gained valuable experience from this job.
她从这份工作中获得了宝贵经验。
她从这份工作中获得了宝贵经验。
2. obtain 取得
He obtained permission to enter the building.
他取得了进入大楼的许可。
他取得了进入大楼的许可。
3. acquire 获取
The company acquired new technology last year.
该公司去年获取了新技术。
该公司去年获取了新技术。
4. keep 保持
Please keep this document safe.
请保持这份文件的安全。
请保持这份文件的安全。
💡 顾老师提示："失去"的反义词根据语境有多种选择，gain强调获得新事物，obtain侧重通过努力取得，acquire指长期积累，keep则是保持已有事物。
🔊 发音指导
gain 发音：/ɡeɪn/ [geɪn]
obtain 发音：/əbˈteɪn/ [əbˈteɪn]
acquire 发音：/əˈkwaɪər/ [əˈkwaɪər]
发音要点：
- gain：类似"给恩"连读，注意/g/发音
- obtain：重音在第二个音节，/teɪn/类似"腾"
- acquire：注意/kwaɪ/发音，类似"快"但带/w/音
- keep：长音/iː/，类似"kee-p"
中文谐音参考：
gain：给恩
obtain：额布-腾
acquire：额-快尔
💡 顾老师纠音：常见发音错误：
- gain读成"干"（正确：[geɪn]）
- obtain重音错误（正确在第二个音节）
- acquire的/kwaɪ/读成/kai/
🎯 用法对比
1. gain vs obtain → gain更通用，obtain更正式
He gained weight (日常)
She obtained a degree (正式)
She obtained a degree (正式)
2. acquire vs obtain → acquire强调过程，obtain强调结果
She acquired language skills over years
He obtained the documents yesterday
He obtained the documents yesterday
3. keep vs retain → keep更口语，retain更正式
Keep the change (口语)
Retain legal rights (正式)
Retain legal rights (正式)
语法注意：
- gain/obtain/acquire都是及物动词
- keep可作及物和不及物动词
- retain多用于正式场合
📝 随堂练习
1. 选择正确反义词：
"After years of study, she ___ a deep understanding of the subject."
(A) lost (B) acquired (C) missed
(A) lost (B) acquired (C) missed
2. 听录音跟读：
gain：[geɪn] → I hope to gain more knowledge
obtain：[əbˈteɪn] → How to obtain a visa?
3. 改错：找出使用不当的反义词
原句：He lost his keys
错误反义：He destroyed his keys
正确：He found/kept his keys