It would be more gentlemanly of President Trump to offer a concessional speech at this point.
President Trump would make a good impression on everyone if he were to man up and concede to Joe Biden.
ーIt would be more gentlemanly of President Trump to offer a concessional speech at this point.
「トランプ大統領はこの時点で敗北宣言をしたほうがもっと潔いのに。」
gentlemanly で「潔い」
concessional speech で「敗北宣言」
ーPresident Trump would make a good impression on everyone if he were to man up and concede to Joe Biden.
「トランプ大統領は、毅然とした態度でジョー・バイデンに敗北を認めたほうが印象が良いのに。」
good impression で「良い印象」
man up で「毅然とした態度を取る」
concede で「敗北を認める」
ご参考まで！
カナダ 
