ㄇㄨˋㄅㄨˋㄒㄧㄝˊˋmùbùxiéshì

目不斜视
  1. 目光兩旁形容專注態度嚴肅規矩 考場目不斜視專注答題」。

not to glance sideways (idiom)​, to gaze fixedly, to be fully concentrated, to preserve a correct attitude