神しん経けいを使つかう

expression, godan verb (-u)

be nervous; be sensitive; worry; be fussy; be precise

Describes a state of paying careful attention, often with anxiety or meticulousness. The subject is typically a person who is mentally or emotionally on edge about something.

• 初はじめての発はっ表ぴょうで、とても神しん経けいを使つかった。

  I was very nervous during my first presentation.