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
无忧无虑的,无牵无挂的。；乐天的；随遇而安的
carefree and untroubled; cheerfully not worrying about responsibilities
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。
用法提示：形容词，修饰人，表示乐天无忧的性格
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。
用法提示：形容词，描述在困境中仍保持随遇而安的态度
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。
用法提示：形容词，修饰生活，表示无忧无虑、随性的生活方式
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。
grammar · medium
易错句子He is a happy-go-lucky.
正确表达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。
grammar · medium
易错句子He has a happy go lucky attitude.
正确表达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。
carefree 强调没有烦恼和压力，而 happy-go-lucky 强调性格随遇而安、不在乎结果。
easygoing 强调为人随和、不挑剔，而 happy-go-lucky 更强调乐天、不在乎的态度。
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