[bǎo chí]
（维持； 使不消失或减弱） keep; hold; retain; maintain; preserve
keep quiet
保持安静
hold on to a dominant [favorable] position
保持优势
maintain vigilance; be on the alert
保持警惕
keep clean
保持清洁
preserve good traditions
保持优良传统
retain the characteristics of the working people
保持劳动人民的本色
keep a cool head; keep cool
保持冷静的头脑
retain the high jump record
保持跳高纪录
retain the fine qualities
保持优良品质
keep the Party and government departments honest and clean
保持党政机关的廉洁
maintain vitality
保持活力
maintain parity
保持均势