was one's own worst enemy

Verb

simple past tense of be one's own worst enemy

Japanese Meaning

これは『be one's own worst enemy』の単純過去形です。

After missing several chances because of self-doubt, one realized one was one's own worst enemy.

自己不信でいくつかの機会を逃した後、人は自分自身が最大の敵だったことに気づいた。

Sense（1）

simple past tense of be one's own worst enemy