O ciddi olarak çalışmaya başladı.
- He began working in earnest.
Onun diğer talibinin olduğunu öğrendiğinde, ciddi olarak ona kur yapmaya başladı.
- He began courting her in earnest when he found out that she had another suitor.
Samuel was stern, serious and deeply in earnest. He seldom smiled and never laughed. He was uncompromisingly religious, conscientious and morally unbending.