一经yìjīngonce; as soon asHSK 7-9PronunciationyìjīngExample sentence一经发现错误,就请立刻改正。Yìjīng fāxiàn cuòwù, jiù qǐng lìkè gǎizhèng.Once an error is found, please correct it immediately.Read and choose an answerOne fixed sampleExplore a sample