This is the 442nd most frequent Chinese word.
改
"改" means "to change," "to alter," or "to revise."
Here, '改' (gǎi) is used as a verb meaning 'to change' or 'to modify'.
我需要改一改这个计划。
I need to make some changes to this plan.
In this context, '改' (gǎi) implies 'to revise' or 'to alter' something, emphasizing correction or adjustment.
他的论文多次被老师要求改格式。
His paper was repeatedly asked by the teacher to change the formatting.
In this example, '改' (gǎi) is used to denote transformation or conversion from one form to another.