活動或事件已結束，但後續影響仍可能存在
寫作用途
have finished and no longer be happening
The debate was over, but our group stayed to revise the final paragraph.
辯論結束了，但我們小組仍留下來修改最後一段。
寫作技巧
Make the event the subject and change the form of be to match the tense. Over does not take a direct object or an -ed ending here.
暫時擋住人群或威脅，不讓其前進
寫作用途
keep a person or threat away for a short time
Two event staff members held off anxious visitors while paramedics crossed the lobby.
兩名活動工作人員暫時擋住焦急的訪客，讓醫護人員穿過大廳。
寫作技巧
Here, hold off means to keep a group or threat back temporarily. The meaning of postponing an action is outside this item.
反覆使用或摩擦使表面逐漸磨薄
寫作用途
gradually make a surface thinner through repeated use or friction
Years of footsteps wore down the wooden step beside the music room.
多年的腳步磨薄了音樂教室旁的木階。
寫作技巧
Here, wear down describes gradual physical damage from repeated use or friction. The meaning of tiring a person is outside this item.
外在因素使人、計畫或流程受到耽擱
寫作用途
delay a person, plan, or process
One missing signature held up the club's room reservation for two days.
少一個簽名，讓社團的教室預約延誤了兩天。
寫作技巧
Here, hold up means to cause a delay. The support, display, and robbery meanings are outside this item.
旅程或任務進展得比預期快且順利
寫作用途
travel or progress faster than expected
Despite the drizzle, our hiking group made good time on the climb.
儘管下著毛毛雨，我們的健行隊上坡時仍進展得很快。
寫作技巧
Use make good time without an article. Do not confuse it with have a good time, which means to enjoy yourself.
靠時間與反覆努力逐漸建立能力或信心
寫作用途
develop or increase something gradually over time
Before the art contest, daily sketching built up Lena's confidence.
美術比賽前，每天素描逐步建立了 Lena 的信心。
寫作技巧
Use build up for gradual growth through time or repeated effort. With a pronoun, place it between build and up.
在錯過機會或發生問題前及時完成
寫作用途
early enough for an event or to prevent a problem
We reached the print shop in time to collect the posters before it closed.
我們及時趕到印刷店，在店家關門前取回海報。
寫作技巧
In time means early enough to succeed or avoid a problem. On time means at the scheduled time.