noun
powers of observation; observational skills
Refers to the ability to notice details, patterns, or changes in one's surroundings. Often used in contexts like detective work, science, art, or parenting.
彼は鋭い観察力で事件の真相を見抜いた。
With his sharp powers of observation, he saw through to the truth of the case.
観察力
To develop your observational skills, it's important to pay close attention to your surroundings on a daily basis.