手落ち

(1)an imperfection in an object or machine; "a flaw caused the crystal to shatter"; "if there are any defects you should send it back to the manufacturer"

(2)物または機械の欠陥

(3)an unintentional omission resulting from failure to notice something

(4)何かに気づかなかったことから起こる手抜かり

(5)the trait of neglecting responsibilities and lacking concern

(6)責任を怠り、懸念が欠如している特徴

(7)part of a statement that is not correct; "the book was full of errors"

(8)正しくない言明の一部分

(9)a mistake resulting from neglect

(10)怠慢によって起こる間違い