渾身 (こんしん) — (using) one's whole body; (putting in) all one's efforts; (exerting) all one's energies
渾身
こ ん し ん
(using) one's whole body; (putting in) all one's efforts; (exerting) all one's energies
私
は
渾身
の
力
をこめてその
戸
を
開
けようとした
。
I tried to open the door with all my force.
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