A little knowledge: a little knowledge, a rough understanding
Just so-so: passable, not bad
Synonyms refer to words with the same or similar lexical meanings, such as beauty, beauty, laziness, laziness, dryness, spaciousness and broadness. Words with similar meanings to "synonyms" are synonyms.
use
(1) From the collocation of words, such as "communication" and "exchange", "communication" focuses on imaginary things and "exchange" focuses on realistic things.
(2) From the grammatical function, "openly", "openly" and "openly" can only be used as adverbials. "Openness" can be used as adverbial, predicate and attribute.