throw one's luck in with

Verb

To take the side of, risking good or bad fortune.

Japanese Meaning

運を賭けるように一方の側に肩入れする / 賭けに出る形でその側につく / 良い結果も悪い結果も招くリスクを背負いながらの味方入れ

When one is desperate, one may decide to throw one's luck in with a stranger who promises help.

人は追い詰められると、助けを約束する見知らぬ人に運を賭けることを決めるかもしれない。

Sense（1）

To take the side of, risking good or bad fortune.

And they threw their luck in with the late duke of Brittany when he rose up against me, and the count likes to claim he was betrothed to the duchess.

throws one's luck in with

（ present singular third-person ）

throwing one's luck in with

（ participle present ）

threw one's luck in with

（ past ）

thrown one's luck in with

（ participle past ）