防守
277.密集防守：tight [close] defense [marking]
278.地毯式防守：blanket defense
279.钉住：mark up; get tight
280.撤退：retreat; withdraw
281.后撤防守（引对方进入中场口袋）：funnel back
282.解围（踢开球门区）：clear
283.封死：close off
284.人墙：（defensive）wall
285.筑人墙：set [line] up a wall
286.二夹一：double-team
