友(ゆう)人(じん) yuujinを o選(えら)ぶ() erabuにあたっては niatattehaいくら ikura注(ちゅう)意(い) chuuiして shiteも moしすぎる shisugiruこと kotoは waない nai。 You can never be too careful when it comes to choosing friends. Literal Friend [object-を] choose [on the occasion of-にあたっては] how-much careful-even overdoing [topic-は] is-not. ~にあたって is a formal compound particle meaning 'on the occasion of, when about to.' It elevates the register compared to the simpler とき. Combined with は (にあたっては), it topicalizes the occasion, making it the frame for the advice that follows. friendshiplife advice~にあたって (on the occasion of)いくら~しすぎることはない (one can never do too much)
友(ゆう)人(じん) yuujinを o選(えら)ぶ() erabuにあたっては niatattehaいくら ikura注(ちゅう)意(い) chuuiして shiteも moしすぎる shisugiruこと kotoは waない nai。 You can never be too careful when it comes to choosing friends. Literal Friend [object-を] choose [on the occasion of-にあたっては] how-much careful-even overdoing [topic-は] is-not. ~にあたって is a formal compound particle meaning 'on the occasion of, when about to.' It elevates the register compared to the simpler とき. Combined with は (にあたっては), it topicalizes the occasion, making it the frame for the advice that follows. friendshiplife advice~にあたって (on the occasion of)いくら~しすぎることはない (one can never do too much)