曾经 céng jīng oncealreadyformerpreviouslyever(past tense marker used before verb or clause) Example sentences 他曾经是一位老师。 tā céngjīng shì yī wèi lǎoshī. He used to be a teacher 虽然她曾经很喜欢李强，但是现在她跟一成在交往。 suīrán tā céngjīng hěn xǐhuan lǐqiáng, dànshì xiànzài tā gēn yīchéng zài jiāowǎng. She once liked Liqiang very much, but now she is dating Yicheng