Rory:If you're going to lose weight. You need to get back on a sensible diet.

Rory:No,I don't have any guacamole or sour cream.

【词汇注释】
lose weight 减肥
sensible adj.明智的
diet n.节食
guacamole n.鳄梨色拉酱
sour cream 酸奶

【参考译文】
罗里：如果你要减肥，你需要进行理智的节食。

罗里：不，我没有鳄梨色拉酱或酸奶。