boredom is not a ground for divorce.
日久生厌不能成为离婚的理由.
What did she do to pass the time (ie to make the period of boredom less tedious) while she was convalescing?
她在康复期间做些什麽来消磨时间呢?
They alleviated the boredom of waiting by singing songs.
他们以唱歌来减轻等候的厌烦.