我通過聽收音機了解最新消息。

我親愛的格勞科斯，一個羅馬貴族得保持他的氣派。

不要落后，要跟上!

他們經常翻閱商業報刊，并注意閱讀招聘廣告。

keep up (of rain, snow, good weather, etc) continue without stopping （指雨、 雪、 好天氣等）持續不停 Let's hope the sunny weather keeps up for Saturday's tennis match. 但愿星期六網球比賽時還是這樣的好天氣. keep sb up prevent sb from going to bed 使某人不能去睡覺 I do hope we're not keeping you up. 我希望我們沒有耽誤你睡覺. keep sth up (a) prevent sth from falling down 使某物不落下 wear a belt to keep one's trousers up 系 腰帶以系住褲子. (b) cause sth to remain at a high level 使某事物處於高水平 The high cost of raw materials is keeping prices up. 原料費用昂貴使得產品價格居高不下. (c) not allow (one's spirits, strength, etc) to decline; maintain 不讓（精力等）衰退; 維持; 保持 They sang songs to keep their morale up. 他們唱 歌以保持高昂的士氣. (d) continue sth at the same (usu high) level 繼續使某事物保持同樣的（通常指高的）水平 The enemy kept up their bombardment day and night. 敵軍一直日夜不停地狂轟濫炸. We're having difficulty keeping up our mortgage payments. 我們難以繼續支付分期償還的抵押貸款. You're all doing a splendid job; keep up the good work! 你們干得都很出色, 要堅持下去! (e) continue to practise or observe sth 照舊做某事物或遵守某事 keep up old customs, traditions, etc 沿襲古老的風俗、 傳統等 Do you still keep up your Spanish? 你仍在學西班牙語嗎? (f) maintain (a house, garden, etc) in good condition by spending money or energy on it 保養, 維修（房屋、 花園等） The house is becoming too expensive for them to keep up. 他們的房子維修費用貴得越來越修不起了. Cf 參看 upkeep. keep `up (with sb/sth) move or progress at the same rate (as sb/sth) 跟上（某人[某事物]）; （與某人[某事物]）同步前進 Slow down I can't keep up (with you)! 慢點, 我跟不上（你）了! I can't keep up with all the changes in computer technology. 計算機技術的各種改進有些我已跟不上了. keep up (with sth) rise at the same rate (as sth) 以（某事物的）同樣速率上升 Workers' incomes are not keeping up with inflation. 工人的收入趕不上通貨膨脹. keep up with sb continue to be in contact with sb 保持與某人的聯系 How many of your old school friends do you keep up with? 你和中學時的老同學保持聯系的有多少? keep up with sth inform oneself or learn about (the news, current events, etc) 知悉（消息）; 跟上（形勢） She likes to keep up with the latest fashions. 她喜歡穿戴入時.