be certain to (do) 一定(做)，必然(做)
be capable of 能够
be confident in 对……有信心
be characterized by 以……为特征
be clever at 擅长于
be combined with 与……结合
be composed of 由……组成
be concerned about 关心，挂念
be connected with 与……有关
be coupled with 与……配合
be covered with 被……覆盖
be crowded with 挤满，拥塞
be curious to (do) 很想(做)
be dependent on/upon 取决于，依赖
be derived from 由……得到
be determined to (do) 决心(做)
点睛：最适合应用在写作中的表达
【例句】The refugees are badly off for blankets, and even worse off for foods.
难民需要毯子,更需要食物。
【例句】Support of the cease-fire was coupled with considerable vagueness as to what the parties were supposed to do afterward.
一方面支持停火，但另一方面对于双方停火后怎么办的问题却含混其词。