The space is paint-smeared because he cleans his palette knife on the walls.

房间里到处涂抹着颜料，因为他把调色刀在墙上抹干净。

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In the example of a face, use the hair or the shadow areas and, taking some pure acrylic from the tube, apply the paint to certain areas with a palette knife.

在面临的一个例子，使用头发或阴影区域，同时考虑从一些纯丙烯酸管，适用于油漆调色板刀某些地区。

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This technique is often used in oil painting, where the different coloured paints are applied directly to the canvas with a palette knife.

这种技术通常用于油画，其中不同颜色的油漆是直接用调色刀涂在画布上。

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