減点(げんてん)subtract, give a demerit

スピード違反(いはん)で減点(げんてん)をくらう。

Receive a demerit for speeding. {subtract, give a demerit}

減点(げんてん)をもらったドライバーに対(たい)して講習(こうしゅう)を行(おこな)う。

A lecture is given to the driver who received a demerit. {subtract, give a demerit}

英(えい)作文(さくぶん)でピリオドをつけ忘(わす)れたため、減点(げんてん)になりました。

I was given a demerit in my English composition because I forgot to put a period. {subtract, give a demerit}

体操(たいそう)では、着地(ちゃくち)の姿勢(しせい)が乱(みだ)れると、減点(げんてん)の対象(たいしょう)になるそうです。

In gymnastics, it seems that if your landing posture is disordered, it could give a demerit or lead to a subtraction of points. {subtract, give a demerit}

日本語(にほんご)の先生(せんせい)は、漢字(かんじ)の送(おく)り仮名(がな)を間違(まちが)えた箇所(かしょ)を三(さん)点(てん)の減点(げんてん)にすると言(い)った。

The Japanese teacher said that they would give a demerit of three points for each instance where the okurigana of a kanji was incorrect. {subtract, give a demerit}