てき
teki

Noun

1. opponent; rival; adversary

Antonym of 味方
あるおとこ判断はんだんするには、そのひと友人ゆうじんによるのと同様どうようてきによって判断はんだんするのがいいだろう。
aru otokō handan suruniwa sono hitono yūjinni yoru noto dōyōni tekini yotte handan suru noga iidarō.
You shall judge of a man by his foes as well as by his friends.
Noun

2. menace; danger; threat; enemy

かれてき不意ふいちをわせた。
karewa tekini fuiuchio kuwaseta.
He surprised his opponent.