top out
top out — 片語動詞
- top outbase form
- tops out3rd person singular
- topping out-ing form
- topped outpast simple
1. to reach a maximum point and stop increasing — used when a measurable quantity s
到頂；觸頂
達到最高後不再上升
to reach a maximum point and stop increasing — used when a measurable quantity such as a price, salary, speed, or temperature stops rising after a period of growth
Gabriel's salary as a high-school teacher topped out at $58,000 after twelve years.
Gabriel 擔任高中教師的薪水在十二年後到頂，為五萬八千美元。
top out at + (salary amount)
The bidding for the antique vase topped out at €12,000, well below the owner's expectations.
這只古董花瓶的競標價格觸頂於一萬兩千歐元，遠低於物主的預期。
top out at + (price/amount in auction context)
The helicopter's speed topped out at 280 kilometres per hour during the test flight.
這架直升機在試飛期間的最高速度達到每小時兩百八十公里後就上不去了。
Lakshmi's afternoon fever topped out at 39.5°C before the medicine brought it down.
Lakshmi 下午的發燒在攝氏三十九點五度到頂，之後藥物才讓體溫降下來。
- peak
similar meaning but used more generally for reaching a high point; 'top out' specifically implies a limit was reached
- level off
suggests stabilising rather than reaching a hard maximum; less final than 'top out'
- max out
more informal; common in everyday speech for reaching a limit on credit cards, capacity, etc.
- bottom out
opposite — to reach the lowest point and stop falling
文法句型
top out at + (amount/number)
用法筆記
Typically intransitive and followed by at + a number or amount. Frequently used in financial, economic, or technical contexts to describe a ceiling on growth.