鍵
jiàn HSK5

key, bolt

键 鍵 jiàn
key part nounadjective
(bound form) most important part of something; crucial point
key (input device) noun
key on a keyboard, piano, mouse, or electronic device; button

一台钢琴有几个键？

yī tái gāng​qín yǒu jǐ​ge jiàn?

How many keys does a piano have?

我选定了一个文件，按下了删除键。

wǒ xuǎn dìng le yī​ge wén​jiàn, àn xià le shān​chú jiàn.

I selected a file and pressed the Delete key.

chemical bond
(bound form) chemical bond
key (mechanical)
(mechanics) wedge or piece of metal used to lock a wheel or gear onto a shaft
door bolt
(literary) metal pin or bolt used to secure a door latch
linchpin
(literary) iron pin at the end of an axle to keep the wheel in place

Cross-References

See

Frequency
Character
Written text
1,471st most common 74.6 per million
Movie subtitles
1,295th most common 60.6 per million appears in 30% of films
Word
Movie subtitles
9.00 per million appears in 3% of films
Written text
21.0 per million

Details
HSK 3.0
Level 5
Simplified
键
Strokes
16
Unicode
U+9375

Sources
Frequency data
MTSU Chinese text computingSUBTLEX-CHBCC Corpus (BLCU)