单词	knacker
释义	knackerknack‧er /ˈnækə $ -ər/ verb [transitive] British English spoken informal Word Origin WORD ORIGINknacker Origin: 1800-1900 knacker ‘horse-killer’; ➔ KNACKERS' ➔ YARD 1to become extremely tired SYN  exhaustknacker yourself (out) Slow down – you’ll knacker yourself out!2knacker your elbow/hand etc to hurt your elbow etc so that you cannot use it
随便看	overripe overrule overrun overseas oversee overseer oversell oversensitive oversexed overshadow oversharing overshoe overshoot oversight oversimplification oversimplify oversized oversleep overspend overspill overstaffed overstate overstatement overstay overstep

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