攻关 gōngguān to storm a strategic pass
to storm a strategic pass; figuratively to tackle a key problem
How to remember 攻关: 攻 to accuse + 关 to close = to storm a strategic pass.
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How it is used
- To tackle a key problem head-on, storm the critical pass - 集中力量科技攻关 (jízhōng lìliàng kējì gōngguān) concentrate efforts to crack key tech challenges.
- A focused, all-out push to achieve a breakthrough on the hardest, most decisive obstacle.