1.worrier n.发愁的人,担心的人,忧心忡忡的人
Parents often balance each other, with one being the worrier and the other one ramaining calm.
父母经常互相平衡,即一个担心发愁,另一个则保持冷静 。
2.serve v.为...服务,对...有用
It's unfair to soldiers who have served their country well for many years.
对忠心效力国家多年的士兵来说这是不公平的 。