Fashion editors are always casting about for words to describe colours.

时尚杂志的编辑总是挖空心思寻找字眼来描述各种颜色

The dogs cast about, seeking the scent.

那些狗嗅来嗅去，寻找踪迹。

She cast about how she could avoid work.

她盘算着怎样才能逃避工作。

The teacher cast about for a better example.

老师在思索一个更好的例子。

He cast about desperately for something to say.

他努力地想找些话说。

The jailbird cast about him for a way of escape.

囚犯在他周围寻找逃跑的途径。