fall below
fall below — phrasal verb
- fall belowbase form
- falls below3rd person singular
- falling below-ing form
- fell belowpast simple
- fallen belowpast participle
1. to go down to a point beneath a certain minimum or standard — used about numbers
to go down to a point beneath a certain minimum or standard — used about numbers, quantities, temperatures, quality, or performance that become less than an expected or acceptable level.
Temperatures in the region are expected to fall below zero tonight, so Antonia covered her plants with plastic sheets.
collocation: fall below zero
When blood oxygen levels fall below 90%, doctors usually provide extra oxygen to the patient.
collocation: fall below [medical threshold]
The company's profits fell below expectations this quarter, forcing Omar to cut the marketing budget.
If your test score falls below 60, you will need to retake the exam next month.
Saira's energy level fell below normal after working double shifts for two weeks.
- drop below
more common in informal speech than 'fall below'
- sink below
often implies a gradual decrease, especially of liquids or morale
- dip below
suggests a temporary or slight drop
- rise above
opposite direction of movement
- exceed
more formal; opposite of staying below a threshold
文法句型
fall below + noun phrase (measurable quantity)
用法筆記
Usually used with measurable quantities (temperature, level, score, profit, rate); rarely with physical objects. This phrasal verb does not appear in the passive voice.