◆to pick up the bill or to pick up the tab承担费用；付账
If your central heating suddenly broke down would you be happy to pick up the bill?如果你的集中供暖突然坏了, 你是否还乐意交暖气费呢？
to pick up the bill for sth or to pick up the tab for sth为某事买单
A dispute has broken out between the Defence Ministry and the Treasury over who should pick up the bill for Britain's recent military operations.国防部和财政部在谁该为英国近期的军事行动买单这一问题上起了争执。