呆
dāi
foolish; stupid (variant of 呆[dai1])
expressionless; blank (variant of 呆[dai1])
他听到坏消息，脸上露出一副呆呆的表情。
tā tīng dào huài xiāo xi, liǎn shàng lù chū yī fù dāi dāi de biǎo qíng。
When he heard the bad news, a blank expression appeared on his face.
她站在那里，眼神发呆，好像没有听到别人说话。
tā zhàn zài nà lǐ, yǎn shén fā dāi, hǎo xiàng méi yǒu tīng dào bié rén shuō huà。
She stood there with a blank stare, as if she had not heard anyone speaking.