頓着 とんちゃく
mutonchaku

Noun
na-Adjective

1. indifferent; unconcerned; nonchalant; unmindful; inattentive; careless

次郎 じろう ふくのことに 頓着 とんちゃくだ。
jirōwa fukuno kotoni mutonchakuda.
Jiro is indifferent about clothing.
Other forms: