にあたってはTop 15000MeaningsExpression1. when it comes to; concerning (Usually kana)Other spellingsに当あたってはUsually written in kanaKanji in other spellings当hit (the target)Composed ofにあたってon the occasion of; at the time ofExpressionはindicates sentence topic; indicates contrast with another option (stated or unstated); adds emphasisParticleExamples1友ゆう人じんを選えらぶにあたってはいくら注ちゅう意いしてもしすぎることはない。You cannot be too careful in choosing your friends.