完善
wán​shàn HSK3

to perfect

完善 wán​shàn
to perfect verb
to make perfect; to improve or refine something to make it complete and effective

他花了五年时间完善设计，在他的后院棚子里建造了5000多个原型。

tā huā le wǔ nián shí​jiān wán​shàn shè​jì, zài tā de hòu​yuàn péng​zi li jiàn​zào le5000 duō​ge yuán​xíng.

It took him five years to perfect the design, building more than 5,000 prototypes in his backyard shed.

perfect adjective
perfect; consummate; well-developed and complete, such as a system or facility

荷兰公共交通组织非常完善。

hé​lán gōng​gòng​jiāo​tōng zǔ​zhī fēi​cháng wán​shàn.

Public transport in the Netherlands is very well organized.

Frequency
Movie subtitles
3.67 per million appears in 2% of films
Written text
110.3 per million

Details
HSK 2.0
Level 5
HSK 3.0
Level 3

Cross-References

Antonym

Sources
Frequency data
SUBTLEX-CHBCC Corpus (BLCU)