"hobby" VS. "habit"

「抽菸是很不好的習慣。」這句英文怎麼說？
Somking is a really bad hobby. (X)
應該要說：Somking is a really bad habit.

●"habit" 是指「(日常生活的)習慣」，如："take a walk after dinner"(晚餐後去散步)，"go to bed before twelve"(十二點前上床睡覺)等等。

●"hobby"指的是「嗜好」，例如：喜歡畫畫、彈琴。
Singing is my favorite hobby.(唱歌是我最愛的嗜好)

供同學們參考 ^_^