1. Beware, this recipe is not for slimmers.
注意，本食谱不适用于减肥者。
2. For it seems the most successful slimmers chalk up a marathon a week, according to research.
因为研究表明，最成功的瘦身人士每周坚持走一次“马拉松”。
3. So many would-be slimmers fail to stay the course and fall by the wayside.
有很多想身材苗条的人没能坚持到底而中途败下阵来。