care about 的音标为 /keə(r) əˈbaʊt/，核心含义是“关心、在乎、担忧”，强调对某人或事物的情感重视或在意程度，尤其常用于否定句中表达“不在乎”。它与 care for 不同，后者更侧重“照顾”或“喜欢”，而 care about 聚焦于情感上的关注。
后接对象：可接名词、代词、动名词或从句，表示关心的具体内容。
名词/代词：He doesn't care about his clothes（他不在乎衣着）。
动名词：She doesn't care about losing the job（她不在乎失业）。
从句：I care about whether you're happy（我在乎你是否开心）。
句式特点：否定句中常表达“不在乎”，肯定句则强调“重视”，如 I really care about the students in my class（我确实关心班上的学生）。
她根本不关心丈夫：She does not care about her husband at all 。
我不计较价格，只要车好用：I don't care about the price, so long as the car is in good condition 。
他说不在乎批评家的评论，但我知道并非如此：He says he doesn't care about what the critics write, but I know different 。
为什么要在意食品浪费？Why should we care about food waste? 。
他们只顾自己，不在乎他人感受：They were tuned in to their own needs and didn't care about the feelings of other people 。
我真正关心的是你的健康：What I really care about is your health 。
别担心别人怎么想：Don't care about what others think 。
他太自私，从不关心朋友：He's too self-absorbed to care about friends 。
父母不关心孩子的行为，这是他们的错：The guilt lies with the parents, who don't care about their behaviour 。
正因为关心你，我才不让你晚归：It's precisely because I care about you that I don't like you staying out late 。
反问句表强调：Don't you care about this country's future?（难道你不为国家前途担忧吗？）。
固定表达：Who cares?（谁在乎呢？）用于口语中表示漠不关心。
对比结构：I care about you, not him（我关心的是你，不是他），用破折号或逗号引出对比对象。
care about 是表达情感关注的核心短语，无论是日常对话还是书面表达，都能精准传达“在乎”或“不在乎”的态度。掌握它与 care for 的区别，能避免混淆：当你想表达“照顾老人”时用 care for，而说“关心社会问题”时则用 care about。下次描述对他人或事物的重视时，不妨试试这个短语，让情感表达更准确。