Getting distracted with 気が散る

一(ひと)つの事(こと)に気持(きも)ちが集中(しゅうちゅう)できない。

Cannot concentration on even one thing.

Goo Dictionary

気(き)が散(ち)る means to become distracted. Your 気 (spirit) does the action of 散る (to scatter).

Examples

Distracted by test scores with 気が散る

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