Glossary

Defensive Rotations Glossary

Bilingual glossary for help defense, closeouts, low-man responsibilities, tags, scram switches, and rotation concepts.

Direct answer

How to use this glossary

Use the English term as the canonical basketball concept, then compare the Simplified Chinese and Traditional Chinese labels to keep coaching language consistent across languages. For high-value terms, the definition cell adds when a coach actually says it and a translation caveat — the common Chinese-English confusion to avoid.

Terms

English	Simplified Chinese	Traditional Chinese	Definition
Zone Defense Concepts	联防概念	區域聯防概念	The 2-3 zone is the most common zone defense in basketball. When coaches say it: Called when defenders guard areas instead of specific men. Watch the translation: 中文『区域联防』；2-3 / 1-3-1 指阵型，勿把『联防』与『包夹』混为一谈。
Advanced PnR Coverage Schemes	高阶挡拆防守体系	進階擋拆防守策略	A coaching menu for choosing how to defend ball screens based on handler skill, screener type, and rotation capacity.
Ball Screen Defense	持球掩护防御	持球掩護防禦	The coverage menu for guarding pick-and-roll: drop, hedge, switch, ICE, blitz, and the rotations each choice demands.
2-3 Zone: Rotations on Ball Movement	2-3联防：随球轮转	2-3區域：球移動時的旋轉	When the ball is passed from one wing to the corner on the same side (a dribble or pass along the baseline), the baseline player on that side steps out to pressure the corner.
2-on-1 Retreat Defense	二打一退防	2對1撤退防守	A 2-on-1 is the most common transition disadvantage: two offensive players attack one defensive player.
3-on-2 Retreat Defense	3打2退防	3對2撤退防守	A 3-on-2 is the most common structured transition disadvantage: three attackers against two defenders.
Brooklyn Nets Switching Defense (2020-21)	篮网换防体系（2020-21）	布魯克林籃網隊交換防守（2020-21）	Required all 5 players to be capable of guarding any position
Closeout Discipline	扑防纪律	清倉紀律	A closeout is the sprint an off-ball defender makes to contest a three-point shooter.
Closeout Technique	扑防技术	撲防技術	The closeout is the act of closing distance from a help-side position to a catch-and-shoot threat after a kick-out pass.
Defending Dribble Handoffs (DHO Defense)	防守运球手递手（手递手防守）	防守運球手遞手（手遞手防守）	The set of coverages a defense uses to guard a dribble handoff — top-locking the receiver, switching the exchange, blitzing/hedging the new ball-handler, or treating it like a…
Defending Multiple Zones	多种联防的防守	防守多個區域	Defensive communication becomes critical when running multiple zones or switching between man and zone.
Defending Specific Actions	特定战术动作的防守	防守具體戰術動作	Modern offenses are built on specific movement patterns (called actions) designed to create advantages.
Defending Without Switching: Alternatives	不换防的替代方案	不換防防守：替代方案	Some use ICE, drop, blitz, or hybrid coverage.
Drop Coverage	沉退防守	沉退覆蓋	Ball-screen defender (POA) fights through screen or slides under (does not switch) When coaches say it: Called when the screener's big sinks toward the rim to wall off a ball screen. Watch the translation: 中文多译『沉退防守 / 退防』；勿译为『放投』——drop 让出的是中距离拉杆，不是主动放弃所有投篮。
Golden State Warriors Defense (Draymond Green Anchored)	金州勇士防守体系（Draymond Green核心）	金州勇士隊防守（德雷蒙德·格林錨定）	He could switch onto guards and bigs without losing value
Help and Recover	协防与回位	幫助和回防	Help and recover is a tactic used when a ball handler beats their defender.
Help and Recover (Play Library)	协防与回收	幫助和回防	Help and recover is the two-phase sequence that every help-side defender executes when the ball penetrates the defense.
Help-Heavy vs. Matchup-Heavy Philosophy	重协防vs重对位的防守哲学	重協防 vs 重對位的防守理念	Help-heavy defense prioritizes collapsing on the ball.
Help-Side Defense	弱侧协防	弱側協防	Help-side defense is the organization of off-ball defenders who are two or more passes away from the ball.
How to Attack Switches	如何攻击换防	如何攻擊換防	Once a defense commits to switching, specific actions dismantle it.
Low-Man Rotation and Weak-Side Rim Protection	低人旋转和弱侧边缘保护	低人旋轉和弱側邊緣保護	The responsibility of the weak-side low defender (the "low man" or "I") to rotate to the rim and stop a ball-handler who has beaten the on-ball defender, while teammates X-out and…