In the sunset, his silhouette appeared especially tall and slender.
Tips
usage
Two senses: literal silhouette (a dark profile against light) and a journalistic "vignette" - a short sketch of a scene or person. Headlines like 城市生活剪影 ("city life vignettes") use the second meaning.
memory
剪 "to scissor / cut" + 影 "shadow" gives cut-out shadow = silhouette. The word literally describes the 19th-century paper-cut portrait technique.