主張

In a sentence

• 彼は自分の理論を主張しました。

  He asserted his theory.

  Here, '主張' is used to describe expressing or asserting one's own idea or theory strongly.

• 会議では各部門の主張が衝突しました。

  In the meeting, the assertions of each department conflicted.

  In this sentence, '主張' refers to the arguments or opinions presented by the departments.

• 彼女の主張には十分な根拠がありました。

  Her argument had sufficient grounds.

  Here, '主張' signifies the argument or claim that someone makes.