雲くもをつかむ

expression, godan verb (-mu)

have no clear picture; be unable to grasp the situation

Idiomatic expression meaning one cannot get a concrete understanding or clear grasp of a situation, like trying to grab a cloud. Often used when information is vague or elusive.

• 彼かれの話はなしは抽ちゅう象しょう的てきで、雲くもをつかむような気き分ぶんだった。

  His story was so abstract that I felt like I was grasping at clouds.

• 将しょう来らいの計けい画かくはまだ雲くもをつかむようで、具ぐ体たい的てきなことは何なにも決きまっていない。

  Our future plans are still up in the air; nothing concrete has been decided.