How can you be so nonchalant about such an important job interview?
He was nervous about asking her out, but he tried to seem nonchalant.
The judge seemed annoyed by Lindsay Lohan's nonchalantattitude in court.
This example sentence uses the word 'sentence' in an exemplary fashion.
No reason why not - if writing a sentence you may put a comma after the word. 'Generally, it does not take much time'
I decided to amplify the speaker.
The knight was told to gird up for battle. (gird = put on armour)
The Receiver General for Canada is currently unavalable for comment.
The man was nonchalant
Nonchalant, he lifted her skirt, (which was hanging on the clothesline).
I couldn't understand how she could be so nonchalant about a job interview with such a prestigious law firm.
She is so nonchalance.She gave a nonchalant shrug.
Example sentence - He acted quite nonchalant about the evening with her.
"The young composer was very nonchalant about winning the Pulitzer Prize for music, as if it were something every young composer did."
If you are nonchalant instead of remorseful, the judge will give you a very strict prison sentence.
You could say: Nathan's heart was beating loudly and feared his girlfriend would hear it, however he continued to act nonchalant.
annoying
I put the word wool in a ten word sentence.
see How do you put the word countries in a sentence?
The word is put in a sentence like I just did right now.