他先否认存在漏洞,继而承认系统早已收到警报。Tā xiān fǒurèn cúnzài lòudòng, jì'ér chéngrèn xìtǒng zǎo yǐ shōu dào jǐngbào.He first denied that there was a loophole, and then admitted that the system had already received warnings.
天空先是阴了下来,继而下起了大雨。Tiānkōng xiānshì yīn le xiàlái, jì'ér xià qǐ le dàyǔ.The sky first clouded over, and then heavy rain started.
她先是愣了一下,继而笑了起来。Tā xiānshì lèng le yíxià, jì'ér xiào le qǐlái.She froze for a moment, and then began to laugh.