〜反面

便利な反面、値段が高いです。

Benri na hanmen, nedan ga takai desu.

Convenient, but expensive with it.

反面 sets two sides of one thing; the halves must judge oppositely

この仕事は大変な反面、やりがいがあります。

Kono shigoto wa taihen na hanmen, yarigai ga arimasu.

The job is hard, but it is rewarding.

Drawback first, merit second, and it lands positive

主語が同じでなければ使えません。

Shugo ga onaji de nakereba tsukaemasen.

It does not work if the subjects differ.

Both sides must belong to the same thing, or 一方で is the word