Definition: Someone who is sober is not drunk. Level: C2
她整晚保持清醒（没有醉酒）。
She remained ___sober all evening.
他很少清醒（不醉酒）。
He was rarely ___sober.
要通过呼气测醉器测试，你必须完全清醒（没有醉酒）。
To pass the breathalyzer test, you must be completely ___sober.
