劣(おと)るto be inferior to, to be less good at, to fall behind

今日(きょう)も昨日(きのう)に劣(おと)らず暑(あつ)いから薄着(うすぎ)をしよう。

Since it's as hot today as it was yesterday, let's dress lightly. (today's heat isn't inferior to yesterday's)

生産(せいさん)高(だか)が去年(きょねん)より劣(おと)っているので焦(あせ)っています。

I'm panicking because the production volume is inferior to last year's.

アマチュアの歌唱(かしょう)力(りょく)はプロの歌唱(かしょう)力(りょく)に劣(おと)ります。

The singing ability of amateurs is inferior to that of professionals.

新人(しんじん)の技量(ぎりょう)がベテラン職人(しょくにん)の技量(ぎりょう)に劣(おと)るのも当然(とうぜん)だ。

It's only natural that the skills of a novice are inferior to those of a veteran craftsman.

彼女(かのじょ)は姉(あね)に劣(おと)らず美(うつく)しい。要(よう)するに、その姉妹(しまい)は二人(ふたり)とも美(うつく)しいのだ。

She is as beautiful as her sister. In other words, both sisters are beautiful. (Her beauty isn't inferior to her sister's)