Grammar fix
good condition
well maintained
Something that is in good condition is clean, works well, and has been looked after properly.
collocationB1common
Hear it in context
Notice where the phrase sounds natural.
- The second-hand laptop I bought is still in good condition.daily life
- If I buy a used car, I always check that it's in good condition before making a decision.IELTS speaking
Fix the pattern
Pattern: in good condition
WrongThe bike is in a good condition.
RightThe bike is in good condition.
Usually no 'a' — 'in good condition' (though 'in a good state' does take 'a').
Patternin good condition
Use it right
Choose the version that sounds natural in speech.
'In good condition' is the standard phrase, especially for selling; the paraphrase is wordy.
Build natural chunks
Words that usually travel with it.
in good conditioninkeepexcellentperfect
Don't confuse it
Do not confuse with 'bad condition', which means something is damaged or not working well.