心こころ無なし

noun

lack of prudence; poor judgment

Refers to a person's lack of careful thought, discretion, or sound judgment. Often used in expressions like 心無しの行動 (thoughtless action).

• 彼かれの心こころ無なしの発はつ言げんがみんなを傷きずつけた。

  His thoughtless remark hurt everyone.

• 心こころ無なしの行こう動どうは時ときに大おおきな問もん題だいを引ひき起おこす。

  Imprudent actions sometimes cause big problems.