akimbo

ＳＦのThe Martian by Andy Weirを読んでいます。
Now fatigued, the astronaut stood with arms akimbo, looking up at the sleek lines of the engineering marvel before him.
"akimbo" は英語らしくないので以前に取り上げた気がしますが、記録にありません。そこで復習です。
・Oxford English Dictionary: With hands on the hips and elbows turned outward.: 'she stood with arms akimbo, frowning at the small boy’
・Cambridge English Dictionary: If a person's arms are akimbo, they are bent at the elbows (= the middle part of the arms where they bend) with the hands on the hips: He stood, arms akimbo, refusing to move.
"arms akimbo" として使う場合が多い様です。"akimbo" について、Word Detectiveでも取り上げています。http://www.word-detective.com/091400.html#akimbo