1
general::
observation
phrases
be under observation
(= be in the process of being watched )
• The police said that the house had been under observation.
keep somebody under observation
(= closely watch someone or something over a period of time )
• The doctor ordered that the patient be kept under observation.
ADJECTIVES/NOUN + observation
close/careful/detailed observation
• A lot of useful knowledge is gained by careful observation of the world around you.
casual observation
(= observation that is not done in a very careful or organized way )
• Even casual observation makes this theory improbable.
direct observation
• Piaget developed his theories based on direct observation of children.
personal observation
(= watching and understanding something yourself, rather than hearing or reading about it )
• I knew cigarettes were addictive from personal observation.
scientific observation
(= observation done for scientific purposes )
• Scientific observation led to the discovery of vaccines.
classroom observation
(= observation of a teacher and children in a classroom )
• Classroom observation is only part of what school inspectors do.
observation + NOUN
an observation post/point
(= a place from where you can observe something )
• The peak of the mountain was a natural location for an observation post.
an observation deck/platform/tower
(= a structure that is built in order to observe something )
• The army built an observation tower on the top of the building.
a period of observation
• The hospital released him after a period of observation.
transnet.ir
2
general::
noun examination ADJ. careful, close, detailed | direct | systematic | casual | empirical, scientific | clinical | astronomical PREP. for ~ She was admitted to hospital for observation. | under ~ The police have had him under observation for several weeks. | ~ of The survey was based on direct observation of over 500 schools. PHRASES powers of observation an artist with acute powers of observation remark ADJ. general | astute, keen, shrewd | interesting VERB + OBSERVATION make PREP. ~ about He smiled, and made some observation about the weather. | ~ on her witty observations on life
Oxford Collocations Dictionary