課本中不會(huì)教你的[A]88　at once…and

88　at once…and

◎ at once…and意為“既……又”，相當(dāng)于 both…and，連接兩個(gè)同等成分。

His father is at once stern and tender. 他的父親既嚴(yán)肅又仁愛可親。

He is at once a statesman and a writer. 他既是政治家，又是作家。

Einstein was at once great and simple. 愛因斯坦既偉大又平凡。

Hearing the news，I was at once glad and worried. 聽到這個(gè)消息，我又喜又憂。

The lady is at once sweet and charming.（=both sweet and charming）那位女士既溫柔又嫵媚。