力いっぱい ちからいっぱい Also written 力一杯 Meanings Expression, Adverb with all one's strength; with might and main; as hard as one can Kanji 力 power. Read as ちから. Example sentences 彼は力いっぱいドアを押し開けようとした。He tried with all his might to push the door open. 彼は力いっぱい引っ張ったが、岩はびくともしなかった。He pulled with all his strength, but the rock would not move. Jinuma: Japanese Dictionary · Word lists