| 機械音痴 | [きかいおんち, kikaionchi] (n) mechanical ineptitude; being hopeless with machines [Add to Longdo] |
| 不手際 | [ふてぎわ, futegiwa] (adj-na, n) clumsiness; awkwardness; ineptitude [Add to Longdo] |
| 無能無策 | [むのうむさく, munoumusaku] (n) ineptitude and inaction; being incapable of devising any appropriate measures to cope with the situation [Add to Longdo] |