stumble against

figuratively

(figuratively) To discover or find something by accident. / (figuratively) To meet somebody by chance.

Japanese Meaning

偶然に何かを発見する / 偶然に誰かに出会う

It's easy to stumble against a great idea when you're just exploring without a plan.

計画もなくただ探究しているときに、思いがけず素晴らしいアイデアに出会うことは簡単だ。

Sense（1）

(figuratively) To discover or find something by accident.

Sense（2）

(figuratively) To meet somebody by chance.

stumbles against

（ present singular third-person ）

stumbling against

（ participle present ）

stumbled against

（ participle past ）

stumbled against

（ past ）