keep up:
保持,繼續(xù),維持
例句與用法:
1.The enemy kept up their bombardment day and night.
敵軍一直日夜不停地狂轟濫炸.
2.The high cost of raw materials is keeping prices up.
原料費(fèi)用昂貴使得產(chǎn)品價(jià)格居高不下.
3.The house is becoming too expensive for them to keep up.
他們的房子維修費(fèi)用貴得越來(lái)越修不起了.
4.I can't keep up with all the changes in computer technology.
計(jì)算機(jī)技術(shù)的各種改進(jìn)有些我已跟不上了.
5.Workers' incomes are not keeping up with inflation.
工人的收入趕不上通貨膨脹.
6.Let's hope the sunny weather keeps up for Saturday's tennis match.
但愿星期六網(wǎng)球比賽時(shí)還是這樣的好天氣.
7.Slow down I can't keep up (with you)!
慢點(diǎn),我跟不上（你）了!
8.You're all doing a splendid job; keep up the good work!
你們干得都很出色,要堅(jiān)持下去!
keep on:
vt.繼續(xù)進(jìn)行(接連,反復(fù),繼續(xù))
例句與用法:
1.Keep on past the church; the stadium is about half a mile further on.
一直向前走過(guò)了教堂,約莫半英里就是體育場(chǎng).
2.I will mend the lamp just don't keep on at me about it!
我一定修這個(gè)燈－－別再跟我嘮叨這件事了!
3.She kept on working although she was tired.
她雖疲勞但仍繼續(xù)工作.
4.The rain kept on all night.
雨徹夜不停.
5.We're planning to keep the cottage on over the summer.
我們打算夏天繼續(xù)租那座別墅.
6.He does keep on so!
他就是這樣愛(ài)嘮叨!
7.You don't need to keep your hat on indoors.
在室內(nèi)不必戴 帽子了.
8.He's incompetent and not worth keeping on.
他庸碌無(wú)能,不值得留用.