了解并掌握外语
理解并掌握英语发音
v. 理解：懂得、明了、体认、领悟、获悉、推知某事物；谅解、体谅；默许、默认；领会、解释。
短语
我理解 I Got It；我懂了 I See；我终于明白了 So That's It
难以理解的费解的 complicated；难以领悟的 obscure
解答你的疑惑 X-plain Things Answered Your Doubts
了解他 I Understand Him
让我明白 This Has Enlightened Me
现在我终于明白了 Now I Finally Understand
理解他好心的父亲 comprehend his kind father's intention
但是他们怎么能理解呢？ How Can They Possibly Understand?
柯林斯英汉双解词典： 英音[ˌʌndərˈstænd]，美音[ˌʌndərˈstænd]，
1. (vt.)明白（某人的话的意思） If you understand someone or understand what they are saying，you know what they mean.
例句：I think you've heard and understood my words.
我不明白你在说什么。I don't understand what you are talking about.
2. (vt.)懂（某种语言）If you understand a language，you can comprehend what someone is saying in that language.
例句：我完全不懂意第绪语，请他翻译一下。I couldn't read or understand a word of Yiddish，so I asked for a translation.
3. (vt.)理解（某人） To understand someone means to comprehend how they feel and why they behave as they do.
例句：我希望有个人真正理解我，一个朋友就足够了。It would be nice to have someone who really understands me，a friend.
...等（详见柯林斯词典）
综合理解 comprehensive
英音 [ˌkɒmprɪˈhensɪv]，美音 [ˌkɑːmprɪˈhensɪv]
adj. 综合的，全面的；有理解力的。n. 综合中学；专业综合测验。
comprehensive 详解见柯林斯英汉双解大词典：指全面地包含一切所需或相关的内容。
例句：综合性的研究 comprehensive research；综合中学 comprehensive schools。
双语例句：这所学校提供综合性的教育服务。This school provides comprehensive educational services including various courses and extracurricular activities. 例如这样的综合测试 be a part of the comprehensive assessment for the semester ……综合类学习等内容……and various kinds of knowledge can be tested through the comprehensive assessment.。 等例详见各大词典原声例句权威出处。