Word: 一经 (yījīng) Traditional: 一經 一经 dictionary entry yījīng as soon as; once (an action has been completed) Full dictionary entry for 一经 Example sentences using 一经 2 sentences, showing page 1 of 1. 一经老师解释，我就明白了。 Yìjīng lǎoshī jiěshì, wǒ jiù míngbai le. As soon as the teacher explained it, I understood. 一经试用，你就会喜欢它。 Yìjīng shìyòng, nǐ jiù huì xǐhuan tā. Once you try it out, you'll like it.