be happy to help sb.
基本翻译
be ready to help others
be eager to help people
be happy to render help to others
be only too pleased to help sb.
乐于助人:Obliging|Piago|Sanders
并乐于助人:Is diving in someone's need
总是乐于助人:ready to help all the time
helpful
be ready to help others
be willing to help others