Sharing the same fate; a four-character idiom meaning to be in the same boat or to share destiny (for better or worse).
チームは勝敗を共にする一蓮托生の関係だ。
The team shares wins and losses together; they are in a 'same fate' relationship.
裏切られたとしても、あなたと一蓮托生の道は選ばない。
Even if I'm betrayed, I won't choose to share your fate (won't be in it with you).
経営が苦しいとき、社員は社長と一蓮托生の覚悟が必要だ。
When management is struggling, employees may need the resolve to share the CEO's fate.