happy to do sth
表示乐意做某事。
I am happy to help you.
我很高兴帮助你。
快乐的；幸福的；愉快的
happier — comparative of happy
因意识到安康或享受而产生的感觉；享受各种好处,如舒适、和平或宁静；幸福、满足、快乐。；感到或表现出快乐或愉悦的；以快乐为特征的；受到好运影响的；被命运或运气眷顾的；幸运的。；好运的；幸运的；满意、愿意、满足(于或做某事)；对某事不反对。
feeling or showing joy or pleasure
因意识到安康或享受而产生的感觉；享受各种好处,如舒适、和平或宁静；幸福、满足、快乐。
Having a feeling arising from a consciousness of well-being or of enjoyment; enjoying good of any kind, such as comfort, peace, or tranquillity; blissful, contented, joyous.
感到或表现出快乐或愉悦的；以快乐为特征的
enjoying or showing or marked by joy or pleasure
受到好运影响的；被命运或运气眷顾的；幸运的。
Experiencing the effect of favourable fortune; favored by fortune or luck; fortunate, lucky.
好运的；幸运的
marked by good fortune
满意、愿意、满足(于或做某事)；对某事不反对。
Content, willing, satisfied (with or to do something); having no objection (to something).
热心愿意行动或服务的
eagerly disposed to act or to be of service
带来或属于好运的；恰当的、巧妙的、幸运的、吉利的。
Bringing or being an instance of favourable fortune; apt, felicitous, fortunate, propitious.
暗示“祝你有一个快乐的...”或类似意思；用于节日、庆典或其他事件或活动中祝愿某人幸福或好运的短语。
Implying “May you have a happy ⁓” or similar; used in phrases to wish someone happiness or good fortune at the time of a festival, celebration, or other event or activity.
She felt happy when she heard the good news.
她听到好消息时感到很幸福。
用法提示：happy 作表语形容词，表示心情愉快、幸福。
AI contextual example
The children look happy playing in the park.
孩子们在公园里玩得很开心。
用法提示：happy 描述主语的状态，表示高兴的。
AI contextual example
He has a happy smile on his face.
他脸上带着幸福的微笑。
用法提示：happy 作定语形容词，修饰 smile，表示愉快的、幸福的。
AI contextual example
表示乐意做某事。
I am happy to help you.
我很高兴帮助你。
that可省略。
She is happy that you came.
她很高兴你来了。
with更常见于满意；about用于具体事件。
They are happy with the result.
他们对结果很满意。
用于祝贺或表达对他人好运的喜悦。
I'm so happy for you!
我为你感到高兴！
glad 常用于对具体事情感到高兴，语气较口语化，不用于长期状态。
joyful 语气比 happy 强烈，多用于正式或文学语境，强调内心洋溢的喜悦。
cheerful 侧重外在表现的开朗、愉快，常形容人的性格或气氛。
delighted 表达更强烈的喜悦，常跟 at/by/with 搭配。
pleased 强调满意，程度弱于 happy，常用于礼貌表达。
grammar · medium
易错句子I am happily today.
正确表达I am happy today.
汉语中“高兴”既是形容词又是副词，但英语中形容词作表语，副词修饰动词。此处需要形容词happy.
grammar · medium
易错句子I am happy with your success.
正确表达I am happy for your success.
表示“为某人高兴”用介词for，而with表示“对……满意”。中文“为……高兴”易误译为with.
与快乐的（happy）相对，指不快乐、忧伤
直接的否定反义词
极不快乐的，程度更强
指阴郁、沮丧的心情，与愉快相反
缺乏欢乐的，与幸福相对
glad 侧重因特定原因产生的短暂喜悦，而 happy 更强调持续的幸福或满足感
cheerful 形容性格或态度开朗、充满活力，而 happy 可指内心持久的快乐状态
对…满意
I am happy with my new job.
我对我的新工作很满意。
乐意做…
She is happy to help.
她乐意帮忙。
美好的结局
The movie has a happy ending.
这部电影有一个美好的结局。
生日快乐
Happy birthday to you!
祝你生日快乐！
欢乐时光
Let's meet during happy hour.
我们欢乐时光见。
逍遥自在的，无忧无虑的
He's a happy-go-lucky kind of person who never worries about anything.
他是个逍遥自在的人，从不为任何事情担忧。
非常快乐，心满意足
After finishing his homework, he was happy as a clam playing video games.
完成作业后，他玩电子游戏，开心极了。
折中方案，恰到好处
We need to find a happy medium between too much work and too little.
我们需要在太多工作和太少之间找到一个折中方案。
因为我很快乐。如果你感觉像在一个没有屋顶的房间里，就跟着拍手。
I'm so happy today!
我今天真开心！
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.