挥手告别英语:wave farewell; wave good-bye。 双语例句: 1.现在,我们要向Scitter挥手告别,开始寻找新的用Scala解决的项目。 For now, we'll wave farewell to Scitter and start the happy hunt for a new project to solve with Scala. 2.我向母亲挥手告别时她哭了。 My mother was crying as I waved goodbye to her.