- be worried about为…忧虑，烦恼的;
- be used for用来做…;
- be unsure of不确定
- be down with患…病;
- be at issue有问题
- be angry with对（某人）生气;
- be instrumental in成为工具
- be inferior to在…之下，次于，不如;
- be in a good mood心情很好
- be hard on严格对待[批评]某人;对某人不公平;不客气;
- Be green with envy妒火中烧;
- be formed from是由
- be enrolled inv.入伍，入学;
- be to blame对某事应负责任的，应受责备的;
- be the last person做最后一个人
- be sufficient for足够;敷;
- be skilled in擅长…;
- be sick with患…病;
- be referred to被提及;涉及到;
- be off离开，取消;
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