unthanked

例句：

1. 1.She was unthanked for her help.
   她因为她的帮助而感到被忽视。
2. 2. The manager was unthanked for his hard work.
   经理因为他的努力工作而被忽视了。
3. 3. He felt unthanked for all the support he received.
   他感到所有的支持都被忽视了。