be knocked outOur editors are putting together more complete content — check back in about 20 minutesbe knocked outbe knocked out — verb動詞1. to make someone unconscious by hitting them1.動詞釋義to make someone unconscious by hitting them例句He was knocked out in the first round of the fight.2. to make someone very tired or exhausted2.動詞釋義to make someone very tired or exhausted例句After working for 12 hours, I was completely knocked out.