Nonchalance is the air of being calm, cool, and not bothered. The person may care inside, or may not; what you see is the surface: no fuss, no worry on the face, as if the thing in front of them is no big deal.

Nonchalance這個字 is the air of being calm, cool, and not bothered是那種冷靜、酷、不在乎的氣質。The person這個人 may care inside, or may not心裡可能在意，也可能不在意; what you see is the surface你看到的只是表面: no fuss沒有大驚小怪, no worry on the face臉上看不出擔心, as if the thing in front of them is no big deal好像眼前的事沒什麼大不了。

We often talk of someone doing something with nonchalance — walking into a hard exam, shrugging at bad news, answering a sharp question as if it were small talk. It can be real calm, or it can be a show.

We often talk of someone doing something with nonchalance我們常說某人是帶著nonchalance在做某件事——walking into a hard exam像是走進一場難考的考試, shrugging at bad news聽到壞消息只是聳聳肩, answering a sharp question as if it were small talk回答尖銳的問題卻好像在閒聊。It它 can be real calm可能是真的冷靜, or it can be a show也可能只是裝出來的。

In English it can sound a little stylish, and sometimes a little cold, depending on the moment. It is more at home in writing and in careful speech than in the playground.

In English在英文裡 it can sound a little stylish它聽起來可能有點瀟灑, and sometimes a little cold有時候也有點冷淡, depending on the moment要看當下的情況。It它 is more at home in writing and in careful speech在文章和講究的談話裡比較常見, than in the playground而不是在操場上的閒聊。

English borrowed the word whole from French; the feeling is “not heating up about it.”

It它 is more at home in writing and in careful speech（併入前段）。English借了整個字 borrowed the word whole from French（見前段） English borrowed the word whole from French英文是整個字從法文借來的; the feeling is它的感覺是 "not heating up about it."「不為此激動」。