be sick for 渴望
be sick in bed 病在床上
be sick of 对…感到厌倦
be sorry for 对…感到抱歉
be strict with 对…要求严格
be suited to 适合于
be supposed to (do) 应该,非…不可
be sure of 坚信,确信
be surprised at 对…感到惊奇
be though with 结束
be tired from 因…而厌倦
be tired of 厌烦,对…厌倦
be tired out 疲倦极了
be true to 适用于
be unconscious of 不知道…