短語詞組短語little let -up 沒有降低let 's-blow-up-saturn 讓我們打擊后續(xù);讓我們without a let -up 不停頓地He let lights lit -up overnight 他讓燈通宵亮著perform good deeds without let -up 積德stop standstill halt let -up 停留安頓Let us do a warm -up 讓我們做個熱身latch -up LET threshold 鎖定閾值 返回 let-up