hard on sb be 对某人严厉
sb be involved in sth 某人被牵涉进某事中 ; 或人被牵涉进某事中
sb be familiar with sth 某人熟悉某物 ; 某人熟悉某事
sb be upset about sth 某人对某事苦恼
beyond sb be 使某人无法理解
sb be sure to do 一定会…的
sb be upset 某人心烦
SB be disappointed 对某人感到失望
sb be in authority 某人掌权
Being afraid of failing the exam should not be sb.'s grounds for cheating in it.
害怕挂科不应该成为一个人考试作弊的理由。
SB 14 is in flight test at Edwards Air Force Base, Calif., and will be delivered to the Air Force in 2011.
SB 14 轰炸机在加利福尼亚州爱德华兹空军基地进行飞行测试，并将于2011年交付空军。
SB 15 will be delivered in 2012, and design and development work for SB 16 will begin immediately.
SB 15 轰炸机将在2012年交付，SB 16 的设计和开发工作也将立即开始。
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