彻夜chèyèall night long; throughout the nightHSK 7-9PronunciationchèyèExample sentence他彻夜未眠,守在病床旁边。Tā chèyè wèi mián, shǒu zài bìngchuáng pángbiān.He stayed up all night, keeping watch by the sickbed.Read and choose an answerOne fixed sampleExplore a sample