1、keep up
（與…）齊步前進；不落后（于…）
She shook her head and started to walk on. He kept up with her.
她搖了搖頭開始往前走。他跟了上去。
跟上（變化等）
wage increases which keep up with inflation.
與通貨膨脹同步的工資增長
Things are changing so fast, it's hard to keep up.
事情變化得太快了，很難跟上形勢。
跟上（活兒、人等）；同…做（或理解）得一樣好
Penny tended to work through her lunch hour in an effort to keep up with her work.
為了把活兒干完，彭妮常常午飯時間也要工作。
Life is tough for kids who aren't keeping up in school.
孩子們如果在學校里功課不好，日子就會不好過。
繼續做（或提供）
I was so hungry all the time that I could not keep the diet up for longer than a month.
我無時無刻都覺得餓，節食堅持不到一個月就放棄了。
They risk losing their homes because they can no longer keep up the repayments.
因為無力繼續償還借款，他們面臨無家可歸的危險。
2、hook up
連接，接通（計算機或其他電子儀器）
technicians who hook up computer systems and networks.
連接計算機系統和網絡的技術人員
He brought it down, hooked it up, and we got the generator going.
他把它拿下來，連接好，我們的發電機就開始運轉了。
（尤指音樂家）（和…）搭檔，（和…）聯手
Anthrax have hooked up with Public Enemy for a metal/rap version of 'Bring On The Noise'...
炭疽樂隊和公敵樂隊聯手合作了重金屬加說唱版的歌曲《帶來噪音》。
Seeing as how we got on so well together, it just seemed natural that we should hook up.
既然處得這么好，似乎我們理所當然應該搭檔。