to have a big, broad smile showing happiness
露出大大的微笑，表现出幸福感 (lù chū dà dà de wēi xiào, biǎo xiàn chū xìng fú gǎn)
"He was smiling from ear to ear after the interview."
"他在面试后笑得合不拢嘴。" (tā zài miàn shì hòu xiào de hé bù lǒng zuǐ)
ethical awareness in designing or deploying AI
when news becomes public or is first reported
to use one's authority or influence in an aggressive way
to be cheerful and confident
to be less critical or give someone a break
to prepare for every possible situation
