troublesomeness

The remark about the troublesomeness of boys stung, for he had always tried his best to be good.

In order of increasing troublesomeness, they are: 1) E is on a health kick and declared, "I only want to eat tofu on this trip."

But the dreariness, the frightful struggle of life, the indifference of people, the troublesomeness of children - he did not want to be reminded of them at that moment.