▍原文 The chief official in charge of the administration of South Korea’s annual national college entrance exam stepped down on Dec 10 to take responsibility for the excessive difficulty of the 2025 English exam paper. Only 15,154 of test-takers earned a highest-grade score of 90 or above, the lowest proportion since English shifted to an absolute grading system in 2018. This is lower than the 4 percent threshold used for the top grade under the relative grading system used for other subjects. ▍語言點 chief official 首席官員，主要負責人 in charge of something 負責、主管某事 step down （本文）辭職，下臺（常指因某種壓力或失誤主動或被動地離開職位 ） · 近義詞辨析：step down比quit，resign更具新聞性和畫面感，常指因壓力或失誤主動或被動離職。 take responsibility for something 為……承擔責任 excessive US /ɪkˈsesɪv/ adj. 過度的，過分的 shift to something 轉變到，切換到（某種狀態、系統或方法） absolute grading system 絕對評價體系 relative grading system 相對評價體系（按考生成績分...