A ramming attack or forceful physical collision — throwing one's body at someone or something (e.g., in sports or combat).
サッカーで相手に体当たりをしてしまい、反則を取られた。
He body-checked an opponent in soccer and was penalized for a foul.
子供が雪だるまに体当たりして壊してしまった。
A child ran into the snowman and broke it.
自転車で段差に体当たりして転んだ。
He hit the step with his bicycle and fell.
Throwing oneself into something — tackling a role or task head-on and with full commitment; going all out.
彼女は新しい役に体当たりで取り組み、好評を得た。
She threw herself wholeheartedly into the new role and received praise.
体当たりの取材で真相に迫ったテレビ番組が話題になった。
A TV program that tackled the truth with hard-hitting reporting became a hot topic.
失敗を恐れずに体当たりで挑戦してみよう。
Don't be afraid of failure — try tackling it head-on.