In this colloquial usage, officially is roughly synonymous with definitely or indisputably.
The origin of this sense of the word lies in the fact that many terms that have vague dictionary definitions also have very precise definitions in some laws or regulations. Consider, for example, poor. If one doesn't have much money, but is not completely penniless, ...
I agree with your assessment. The figurative usage expresses the culmination of a process by which a person crosses some kind of emotional threshold with respect to an issue or situation.
The use of officially is borrowed for this because official things are normally declared by a governing agency of some sort
2. Authorized by a proper authority; ...
I see in this matter nothing else but a question of semantics. In the OALD this particular type of construction is regularly labelled as "[V-speech]" (in the online edition "+speech"), meaning "verb followed by speech"; this classification departs from the traditional transitive/intransitive scheme as those uses ([V-speech]) ...
Observation: “Take back” is used in impolite speech, while “Bring back” is used in polite speech. Is there any basis to this?
Both are the imperative form.
To take usually implies away from the speaker. To bring usually implies towards the speaker.
Meanwhile may be used to start a sentence, but not in the way you have attempted.
“I was absent with illness. Meanwhile, my colleagues dealt with my emails”. Meanwhile here refers to the period during which I was ill.
until something expected happens, or while something else is happening:
Meanwhile has the connotation that ...
There are various possibilities: skilled, talented, proficient all seem to be less authoritative than expert but more competent than merely working.
I do not repeat easily found definitions of the words, whose meanings are somewhat intermingled in dictionary entries. talented has a greater connotation of creativity and natural ability than skilled or ...
If so, what does it mean?
This sort of transitive conversion is used to focus on the activity and not the object. When you want to talk about the order of operations in some methodology, and aren't too worried about any specific implementation, it is very common. This change in focus differentiates this type of one-argument verb from a pure object deletion ...
The salient portion of the sentence is:
algorithms make forecasts ... and optimise
The object of optimize is implied: the algorithm optimizes neural network performance by minimizing an error function.
The construction SUBJECT + VERB + BETTER + THAN + NOUN indicates that the subject performs the action described by the verb "better" in some way than the entity defined by the noun performs it. For example "Sparrows fly better than pigs" means that sparrows make a more effective job of flying than pigs do.
This means that "I ...
Piss, as alcoholic drink, is first attested in 1925 but almost certainly was used in spoken English before that:
3. Alcoholic drink; esp. drink which is regarded as weak or unpalatable alcohol. Cf. on the piss at Phrases 3 and gnat's piss n. at gnat n.1 Compounds, panther piss n.
Sometimes (esp. in Australian and New Zealand use): spec. beer.
1925 E. ...
Sorry to bump an old post, but in Europe the use of fly agaric mushrooms predates alcohol by thousands of years. Magic mushrooms was the recreational drug of choice until the invention of vodka for many people on the mainland.
Mushrooms also contained many harmful chemicals, but the psychoactive chemical muscimol could pass through the body mostly untouched. ...