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be happy-go-lucky
He is happy-go-lucky and never worries about the future.
他是个乐天派，从不担心未来。
无忧无虑的；乐天派的；逍遥自在的
先理解核心含义，再看它在真实句子里的用法。
无忧无虑的；乐天派的；逍遥自在的
carefree and untroubled; cheerfully not worrying about responsibilities
He is happy-go-lucky and never worries about the future.
他是个乐天派，从不担心未来。
无忧无虑的,无牵无挂的。
carefree or untroubled
无忧无虑的
cheerfully irresponsible
My brother is a happy-go-lucky person who never worries about the future.
我哥哥是个乐天派，从不担心未来。
Even when he lost his job, he remained happy-go-lucky and confident things would work out.
即使丢了工作，他仍然乐天逍遥，相信事情会好起来的。
She leads a happy-go-lucky life, traveling from place to place without a fixed plan.
她过着逍遥自在的生活，四处旅行，没有固定计划。
He is happy-go-lucky and never worries about the future.
他是个乐天派，从不担心未来。
She has a happy-go-lucky attitude toward life.
她对生活持有一种随遇而安的态度。
He seems rather happy-go-lucky for someone facing exams.
对于一个面临考试的人来说，他似乎过于逍遥自在了。
Not this
He is a happy-go-lucky.
Use this
He is happy-go-lucky.
happy-go-lucky 是形容词，不能直接跟在冠词 a 后面作名词使用。要表达‘一个乐天的人’，可以说 a happy-go-lucky person，或者直接省略冠词，用形容词作表语。
Not this
He has a happy go lucky attitude.
Use this
He has a happy-go-lucky attitude.
复合形容词 happy-go-lucky 中的连字符不能省略。缺少连字符会使其变为三个独立的单词，不符合英语的拼写规范。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use happy-go-lucky naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.