imprudence; oversight; omission; mistake
shrewd; astute; cunning; alert
商人は抜け目なく値引き交渉をした。
The merchant shrewdly negotiated discounts.
彼は抜け目なく商機を逃さない。
He is shrewd and never misses a business opportunity.
彼は抜け目のない観察眼で隠れた証拠を見つけた。
With his sharp eye, he found the hidden evidence.