cast about for
phrasal verbcast about/around for something
- to try hard to think of or find something, especially when this is difficult
苦苦思索；四处寻找 - She cast around desperately for a safe topic of conversation.
她绞尽脑汁寻找稳妥的话题。 - The authorities are clearly casting about for someone to blame.
当局显然在忙着找人来承担责任。
- She cast around desperately for a safe topic of conversation.