力一杯

プログレッシブ和英中辞典(第３版)の解説

ちからいっぱい【力一杯】

• 綱を力一杯引っぱった
  He pulled on the rope with 「all his strength [all his might／all the strength he could muster].
• 力一杯勉強したが成績は悪かった
  Though he studied as hard as he could, he got low marks.

出典｜小学館