Lady Macbeth knows deeply in the heart that Macbeth does not want to be a king by “play false,” which betraying and cheating on Duncan. Nonetheless, Macbeth wants to get something that does not belong to him, which is the meaning of “wrongly win.” Meanwhile, Lady Macbeth continuously saying that Macbeth is a man who wants to be a king, but willing to do anything sinister. And in the last line of the passage, she calls Macbeth “Glaims” because he is now the Thane of Glamis, a region of Scotland. Moreover, because Lady Macbeth knows her husband wants to be a king but does not have encouraged to do dirty jobs. As a result, Lady Macbeth clarifies Macbeth’s scruples, “That which cries “Thus thou must do,” if thou have it” (I.v.19).
Lady Macbeth tries to encourage and motivate Macbeth to kill Duncan. She wants to tell Macbeth, if he is really want to be the King, killing Duncan is the fast and only way to satisfy his desire of becoming a