i know why my brother's so smitten.
i know why my brother's so smitten.
相当于i know why my brother has so smitten?? smite有着迷，迷恋的意思么？

Question

i know why my brother's so smitten.
i know why my brother's so smitten.
相当于i know why my brother has so smitten?? smite有着迷，迷恋的意思么？

Answer

smite 本意是重击的意思，重击之后的眩晕感觉也被形容成某人对人或物的迷恋，神魂颠倒。sb. was smitten by sth./ with sb.