score on oneself

To score an own goal.

Japanese Meaning

自分自身にオウンゴール（自らのチームに不利な得点を与える）を決める

To score on oneself in a debate, intentionally contradicting your earlier point is a risky tactic.

議論でオウンゴールをしてしまうと、意図的に以前の主張と矛盾するのは危険な戦術だ。

Sense（1）

To score an own goal.

The soccer team just scored on itself.

scores on oneself

（ present singular third-person ）

scoring on oneself

（ participle present ）

scored on oneself

（ participle past ）

scored on oneself

（ past ）