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be strict with sb. 对某人严格要求
be successful in doing sth. 做……成功
be suitable for 适合
Be sure(certain) to do… 确信做某事(祈使句)
be tired from sth./doing (身体上)劳累、疲劳
be tired of sth./doing 厌倦……
be tired out 筋疲力尽
be to blame (应该)受责备
be to do 准备做……
be trapped by (the fire) 被(火)围困
be treated as 把……当作……对待
be under construction 建设中
be unwilling to do 不愿去做
be up to ①高达、达到 ②达到境界、进入角色 ③从事、忙于
be well received 接受效果好、广泛接受
be willing to do 盼望去做……
be worried about 为……担心
be worth doing 值得……
be worth sth. 值多少
be worthy of 值得
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