这幅画通过明暗对比突出了人物的轮廓。

The artist used ___chiaroscuro to emphasize the contours of the figure.

画家巧妙地运用明暗对比来增强这幅肖像的戏剧性效果。

The painter skillfully used ___chiaroscuro to enhance the dramatic effect of this portrait.

这幅画通过明暗对比展现了善恶的永恒冲突。

The painting uses ___chiaroscuro to depict the eternal struggle between good and evil.