English translation of '以至'

连

1. (表示延伸)
   ⇒ 这项工程可能需要两年以至更长的时间。 (Zhè xiàng gōngchéng kěnéng xūyào liǎng nián yǐzhì gèng cháng de shíjiān.) This project will perhaps require two years or even more.
   ⇒ 小学生、中学生以至大学生都来看这个展览。 (Xiǎoxuéshēng, zhōngxuéshēng yǐzhì dàxuéshēng dōu lái kàn zhège zhǎnlǎn.) Elementary school students, middle school students and even college students cameto see the exhibition.
2. (表示结果) to such an extent that
   ⇒ 他紧张得以至胃疼。 (Tā jǐnzhāng de yǐzhì wèi téng.) He was so nervous that he got a stomachache.