如果他比我先到，请让他在大堂稍等。
Should he arrive before I return, please ask him to wait in the lobby.
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should英 /ʃʊd/|美 /ʃʊd/
he英 /hiː/|美 /hi/
解释
'Should he arrive' 是 'If he should arrive' 的倒装形式，'Should' 置于第三人称主语前，主句用祈使句表示条件结果。
Should he arrive before I return, please ask him to wait in the lobby.
'Should he arrive' 是 'If he should arrive' 的倒装形式，'Should' 置于第三人称主语前，主句用祈使句表示条件结果。