由……制成(制成以后还看得见原材料)
52 be not sure 表不确定
53 be on a visit to 参观
54 be popular with sb 受某人欢迎
55 be quiet 安静
56 be short for 表**的缩写
eg: Matt is short for Matthew
57 be sick in bed 生病在床
58 be sorry to do sth be sorry for sb
eg : I am sorry for you
59 be sorry to hear that
60 be sorry to trouble sb
eg : I am sorry to trouble you
61 be strict in doing sth 严于做某事
eg : He's strict in obeying noles
62 be strict with sb 对某人要求严格
eg: Some students are not strict with them selves 这些学生对自己不严格
63 be strict with sb in sth 某方面对某人严格
64 be supposed to do 被要求干什么
65 be sure 表确定
66 be sure of doing sth 对做某事有信心
eg: He is sure of winning
I am sure of learning English well
67 be sure of sth 对做某事有信心
eg: I'm sure of my head (my teacher 我相信我的大脑（老师）
68 be sure that sth 对做某事有信心
eg: I'm suer that he can pass the test 我相信他能通过考试
69 be sure to do sth 一定会做某事
eg: We are sure to pass the test 我们一定会通过这次考试
We are sure to learn English well 我们一定能学好英语
70 be terrified of + 名/动doing 害怕……
71 be terrified to do sth 害怕做某事
72 be the same as … 和什么一样
73 be used to doing sth 习惯做某事
eg: My father is used to getting up early 我爸爸习惯早起
He is used to sleeping in class 他习惯上课睡觉
He is used to working hard
He is used to hard work 他习惯努力工作
74 be worth doing 值得做什么
75 be(feel) afraid to do sth 害怕做某事
be afraid of sth 害怕某物 be afraid that 丛句
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