身を入れてやるを英語でなんと言うか？

身を入れてやる、もっと力をこめてやる、気合を入れてやる put your back into something と言えばいいでしょう。1:22 it won't open. of course it will. put your back into it. why don't you come down here and put your back into it? 開かねぇぞ。開くに決まってんだろ。しっかりやれよ。なんだと、おまえがここに来てやってみろよ！

Skyfall - London Underground
https://www.youtube.com/watch?v=4P-3hYYQTos  0;36 字幕 if you put your back into it, it's something that can be done.
Chibatman: Cruising the streets of Chiba City on his three-wheeled Chibatpod
https://www.youtube.com/watch?v=UffdV2B48Rc  0:01 when it come to sex, you got to put your back into it. セックスする時は腰を思いっきり振らないとね。
Sex Positions That Don’t Hurt Your Back!

0:23 he did all kinds of unpleasant things. but he didn't actually put his back into it and force me. ハービー・ワインスティーンは色々な方法で私を犯そうとしましたが、本気にならなかったので、（私は犯されずに済みました）。

Uma Thurman: Weinstein 'tried to expose himself' to her

参考リンク
http://bridge-english.blogspot.jp/2012/09/blog-post_8052.html  身を粉にして働くを英語でなんと言うか？

練習問題解答
b-5672 putting their backs into it