肃立

sù lì mò āi

肃立默哀

stand in silent mourning

zòu guó gē shí quán chǎng sù lì

奏国歌时，全场肃立。

All those present were standing solemnly when the national anthem was played.

jǔ xíng shēng qí yí shì shí zài guó qí shēng qǐ de guò chéng zhōng cān jiā zhě yīng miàn xiàng guó qí sù lì zhì jìng

举行升旗仪式时，在国旗升起的过程中，参加者应面向国旗肃立致敬。

When a Flag-hoisting ceremony is held, persons present shall face the Flag and stand at attention to salute the Flag.