both to blame

基本解释

Both blame the growing popularity of e-books, which could double to 20% of the market this year.
兩者的倒閉都歸功於電子書的流行，電子書的市場份額今年可能加倍到20%之多。
I wasn’t on the ballot; it was both unfair and self-defeating for voters to blame them for my personal mistakes.
我不在候選之列，所以選民要是拿我私人的過錯來批評他們的話，不但不公正，而且會弄巧成拙。
The Both-to-blame Collision Clause currently published by the Baltic and International Maritime Conference is deemed to be incorporated into this Bill of Lading.
由波羅的海國際航運公會現時公佈的雙方有責碰撞條款應眡爲已被載入本提單。
cowboysamtony.blog.163.com

QUIST-ARCTON: Andrew Natsios said that both sides - the government and the rebels - are to blame for the Darfur crisis.
NPR: West African Drug Trade, War of Words in Sudan
Countries that have long-term gas partnerships with Russia -- primarily the West Europeans -- chose the "both sides are to blame" approach to the war in Georgia.
CENTERFORSECURITYPOLICY: A Bear energy market
Yet it seems more likely that a grand coalition, especially one led by a weakened Ms Merkel, would prove both short-lived and ineffective, with the two parties scampering to blame each other for unpopular measures and positioning themselves to exploit another early election.
ECONOMIST: Germany