nonchalantly + verb
副词置于动词前，强调动作的方式。
He nonchalantly walked past the crowd.
他漠不关心地走过人群。
若无其事地；漫不经心地；不露声色地
漫不经心地；若无其事地；漠不关心地；无动于衷地
in a nonchalant manner; appearing calm and unconcerned
漫不经心地；若无其事地
In a nonchalant manner.
She nonchalantly shrugged off the criticism and continued with her work.
她漠不关心地耸了耸肩，对批评不予理睬，继续做她的工作。
用法提示：副词nonchalantly修饰动词shrugged off，表示对批评的态度漠不关心。
He nonchalantly walked past the barking dog as if it weren't there.
他无动于衷地走过那条吠叫的狗，仿佛它不存在一样。
用法提示：副词nonchalantly修饰动词walked past，表现面对危险时的冷静态度。
When asked about the missing report, he nonchalantly replied that he had forgotten it.
当被问及丢失的报告时，他漠不关心地回答说忘记了。
用法提示：副词nonchalantly修饰动词replied，体现回答时的漫不经心。
副词置于动词前，强调动作的方式。
He nonchalantly walked past the crowd.
他漠不关心地走过人群。
副词置于动词后，是常见语序。
She replied nonchalantly to the question.
她无动于衷地回答了问题。
用于句首，修饰整个句子，带有轻松随意的语气。
Nonchalantly, he lit a cigarette and watched the scene.
他漠不关心地点了根烟，看着这一幕。
casually 更日常、更口语，也可指衣着随意；在‘漫不经心’一义上可替换，但侧重‘不刻意、不紧张’，少了 nonchalantly 的沉着感。
coolly 强调表面沉着、情绪不外露，常带刻意克制甚至冷淡的意味；语气比 nonchalantly 更强，多用于处变不惊的场合。
unconcernedly 直接表达‘不担心、不在乎’，语义比 nonchalantly 更明确，语气更正式，非正式场景较少用。
calmly 只表’镇定、不慌张‘，不含 nonchalantly 中’故意显得无所谓‘或’轻描淡写‘的意味，替换范围较窄。
indifferently 强调缺乏兴趣、漠视，带明显消极或冷淡色彩；nonchalantly 多指表面轻松，不一定真不在乎。
grammar · medium
易错句子She was nonchalantly about the news.
正确表达She was nonchalant about the news.
非chalantly是副词，不能用作表语形容词；应使用形容词nonchalant修饰主语。
grammar · medium
易错句子He answered nonchalant to the question.
正确表达He answered nonchalantly to the question.
非chalant是形容词，不能修饰动词answered；应使用副词nonchalantly。
与“nonchalantly（若无其事地）”相反，表示心中担忧不安。
与“nonchalantly（漫不经心地）”相反，表示神经紧绷、不放松。
'indifferently'强调情感上的冷漠和不在乎，而'nonchalantly'更侧重于神态或举止上的轻松冷静，不一定有情感冷漠。
'casually'侧重非正式、不刻意，而'nonchalantly'侧重冷静、从容、不为所动。
漫不经心地说
He said nonchalantly that he had won the lottery.
他漫不经心地说他中了彩票。
若无其事地耸耸肩
She shrugged nonchalantly when asked about the missing files.
当被问及丢失的文件时，她若无其事地耸耸肩。
漫不经心地回答
He replied nonchalantly to the interviewer's tough question.
他漫不经心地回答了面试官的棘手问题。
若无其事地走着
Despite the noise, she walked nonchalantly past the crowd.
尽管一片嘈杂，她还是若无其事地从人群中走过。
漫不经心地瞥了一眼
He glanced nonchalantly at the clock during the meeting.
会议期间，他漫不经心地瞥了一眼时钟。
adjective
-antly
-antly
-antly
-antly
-antly
-antly
non-（不）+ chalant（来自法语，意为“关心、在意”）+ -ly（副词后缀）。同根词：nonchalant, nonchalance；同前缀词：nonstop, nonsense；同后缀词：quickly, hopefully。
常与nonchalantly搭配，耸肩是表现无所谓态度的肢体动作。
指从容冷静的状态，与nonchalantly所表达的若无其事互为表里。
形容面对意外仍保持平静，与nonchalantly描述的举止一致。
常与nonchalantly一起描述不在乎或不重视的态度。
表示情感上保持距离，与nonchalantly的冷静淡然相关。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.