拼音：shàn bì wú guān jiàn
注音：ㄕㄢˋㄅㄧˋㄨˊㄍㄨㄢㄐㄧㄢˋ
解释：楗：门闩，插门的木棍。善于关闭，不用闩、锁。表示对待外来侵略不能单方纯采取消极的防御措施。
出处：《老子》第二十七章：“善闭无关楗而不可开，善结无绳约而不可解。”
楗: latch, stick inserted into the door. Good at closing without latch and lock. He said that negative defensive measures should not be taken unilaterally in dealing with foreign aggression.
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