To have one's ideas fully formed and well-conceived before putting pen to paper; to think things through thoroughly before writing or acting.
这位设计师每次动笔前都会进行深入的构思，力求意在笔前，所以作品总是富有深度和感染力。
This designer always engages in deep conceptualization before starting to draw, striving for his intentions to be clear before his pen touches the paper, so his works are always rich in depth and appeal.
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