41 be good for 对什么有好处 eg ： Reading aloud is good for your English
42 be happy to do 很高兴做某事
43 be helpful to sb 对某人有好处
eg ： Reading aloud is helpful to you 大声朗读对你有好处
Exercising is helpful to your bady 锻炼对你的身体有好处
44 be in good health 身体健康
45 be in trouble 处于困难中 eg ： She is in trouble They are in tronble
46 be interested in 对某方面感兴趣
47 be late for = come late to 迟到 eg： Be late for class 上课迟到
48 be like 像…… eg ： I'm like my mother
49 be mad at 生某人的气
50 be made from 由……制成(制成以后看不见原材料)