The young couple had to make ends meet after their first child was born.

make 是动词，意思是"做、使"。 ends 是 end 的复数形式，end 本意是"末端、尽头"，这里引申为"收支的两端"。 meet 是动词，意思是"满足、达到"。 make ends meet 是一个固定短语，字面意思是"使收支两端相会合"，引申为"收支平衡、勉强维持生计"的意思。