At his turn to play from his hand or from dummy declarer may request an explanation of a defender's call or card play understandings.

在轮到其打牌时或从明手出牌时，庄家都可以要求戍守一方解释其叫牌或其所打牌的寄义。

youdao

After the final pass and throughout the play period, either defender at his own turn to play may request an explanation of the opposing auction.

在最终不叫后以及打牌过程中，每一戍守方在轮到其打牌时都可以要求对手解释其竞叫。

youdao

During the auction and before the final pass, any player may request, but only at his own turn to call, an explanation of the opponents 'prior auction.

竞叫期间，在最终不叫前，任何牌手当轮到其叫牌时都可要求解释对手解释之前叫牌。

youdao

He said that consequently South Africa wishes to register its disapproval of the manner in which Semenya has been treated and said the Minister of Sport and Recreation has written to the IAAF to request an explanation.

VOA: standard.2009.08.25

"It's just another example of the failings of the federal bureaucracy, " said Landrieu, who wrote Homeland Security Secretary Michael Chertoff last week to request an explanation.

CNN: FEMA director defends giving away hurricane supplies