0 completely sure of something, or knowing without doubt that something is true -- уверенный, убежденный
[ + question word ] Nobody was certain how the accident had happened.
[ + (that) ] I feel absolutely certain that you're doing the right thing.
1 to know something without doubt -- знать/говорить наверняка
We don't know for certain whether she's coming.
2 sure to happen, to do something, or to be true -- несомненный
3 used to refer to a particular person or thing without naming or describing them exactly -- определенный, некоторый
4 used before a noun to mean existing, but difficult to describe the exact quality or amount -- некий, некоторого рода
5 used to refer to some of a group of people or things -- некоторые из
They resulted from the reflection on the possibilities of acting with certain material means; not of symbolic operations, but with those of technical operations.
A certain degree of division of labour took place in the production of cigarettes, but not in the production of cigars and limpiones.
It is almost certain that such an appearance never took place.
The class of quasirandom graphs is defined by certain equivalent graph properties possessed by random graphs.
The intersection between the orientation annulus and the end-effector locus represents the orientation range for a manipulator at a certain reachable workspace range.
They will be reduced and to a certain extent they will be systematic.
The reasonable person standard enjoys a certain sort of objectivity, insofar as it protects people from each other.
Moreover, certain psychological phenomena suggest a structural reality underlying prototype effects.
