本文介紹英語用法：開始倒數，倒數達到…，排名第…，排名前…，排名到數…，到數第…次，最多、最少、最晚，最早，最好，最差，最佳狀況，最差狀況。
Countdown
countdown 是個名詞，意思是「倒數計時」。例如 The countdown to the rocket launch will begin at 9.00 a.m. 或者「倒數階段」。例如 The countdown to the election has already begun.
do 17-day countdown 做倒數的動作用 do
countdown reach … mark
countdown reaches 2 (seconds) 這個用法可以把單位省略掉。
countdown reaches its end
排名 Rank
排名 rank 的動詞可直接加序列，或描述在某程度群體，常搭配 as/among。例如 Agassi was at that time ranked sixth in the world. Today’s match ranks as one of the most exciting games that these two have ever played. We rank among the safest countries in the world.
描述在某群體中排名高或低可搭配 high/low among。例如 He ranked high among the pioneers of 20th century chemical technology.
rank + 序列
rank among the top 10
rank in top … percent of
rank in the 99th percentile 注意到因為是「第99個」percentile，所以要加 the
rank as one of 其實就是 rank among
rank as/among 後也可以加模糊的最高級排名
英語特殊序列 Sequencer
penultimate 到數第二的
second to last 到數第二的
second-to-last 倒數第二的 （用 dash 連起來的字基本上要當形容詞或名詞都可以
second to none 無雙，第一名
last but two 到數第三（注意！but 就是刪去兩個，所以是到數第三
in the semifinal round 準決賽、倒數第二場比賽，這個字僅用於比賽
on + 序列 + turn
in the final session
極端值 Extremum
maximum
max
minimum
top
bottom
latest
earliest
at best
at worst
in best case scenario