1She walked into the meeting nonchalantly, but I could tell she was nervous underneath.
2He answered the question nonchalantly, but his eyes betrayed his anxiety.
3The tourists strolled through the city nonchalantly, taking in the sights and sounds.
4The politician spoke nonchalantly about the scandal, but the media was not fooled.
5She nonchalantly mentioned her new job, but I could sense her excitement and pride.