いい加減に の訳語→ bad now tentative vaguely
そっけなく の訳語→ absently briefly brusquely carelessly coldly coolly curt flatly hastily insipidly lightly matter-of-factly shortly simply tightly
なにげなく の訳語→ inadvertently innocently
淡々と の訳語→ blithely calmly casually dully evenly levelly philosophically politely quietly
漠然と の訳語→ airily dimly distant distantly unfocused
面倒くさそうに の訳語→ listlessly warily wearily