Were there occasions when enthusiasm ebbed?会有热情减退的时候么？But the pain had ebbed away and the trembling had stopped.不过这次痛已减退,寒战也停止了.But gradually his interest in good causes ebbed away.不过后来他对这类事业兴趣也逐渐淡薄了....

ebbed的音标：...

v.（指潮水）退( ebb的过去式和过去分词 )，落，减少，衰落...