She castaround desperately for a safe topic of conversation.
她绞尽脑汁寻找稳妥的话题。
《牛津词典》
2
The experiments with domestication probably occurred in many places, as people living in ever-drier environments castaround for more predictable food supplies.
随着人们居住环境不断变得干燥,以及食物供给的可预测性越来越强,驯化尝试很可能会在很多地方进行。
3
John castaround for a good subject for his report.