蹙额

cùé

蹙额 — cùé

to knit one's brow; to frown; to furrow one's brow (expressing worry, displeasure, or concentration)
听到这个消息，他不禁蹙额。 tīngdào zhège xiāoxī tā bùjīn cùé — On hearing the news, he couldn't help frowning.