English translation of '既然'

连

1. since
   ⇒ 既然你知道错误了,为什么不及时纠正呢？ (Jìrán nǐ zhīdào cuòwùle, wèishénme bù jíshí jiūzhèng ne?) Since you knew you'd made a mistake, why didn't you put it right immediately?
   ⇒ 既然他执意要去,你就答应吧。 (Jìrán tā zhíyì yào qù, nǐ jiù dāyìng ba.) Seeing as he's determined to go, why don't you just agree to it?