他在当众演讲的时候很紧张。
tāzài dāngzhòng yǎnjiǎng de shíhòu hěn jǐnzhāng 。
He is very nervous when speaking in public.
她当众发表自己的意见，大家都很尊重她。
tā dāngzhòng fābiǎo zìjǐ de yìjiàn ， dàjiā dūhěn zūnzhòng tā 。
She expressed her opinions in public, and everyone respected her.
当众的场合需要注意自己的言行。
dāngzhòng de chǎnghé xūyào zhùyì zìjǐ de yánxíng 。
In public occasions, one needs to pay attention to their words and actions.