出對易，對對難，請先生先對。求下聯？

出對易，對對難。請先生先對

東風來，西風去，看風來風去

出對易，對對難，請先生先對。

審題優，題題劣，可自己自題。

開關遲，關關早，讓過客過關

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下聯難，上聯易，後生讓先生

看畫簡，畫畫繁，叫後人後畫。

開鎖進，鎖鎖出，讓門衛提防。