good for 1. 能持续…;能保持…有效 good for a ten-mile walk 能走10英里 He is good for some years more. 他还能活几年。 a passport good for five years 有效期5年的护照 2. 能够支付(或捐助);可支取… 3. 值,价值相当 4. 对…有用;对…有好处 Milk is good for you (your health). 牛奶对你(你的健康)有好处。 5. 会产生 It's not a good film, but it's good for a laugh. 这部影片并不好,但能引人发笑。