1 to open

2 to start

3 to turn on

4 to boil

5 to write out (a prescription, check, invoice etc)

6 to operate (a vehicle)

7 carat (gold)

8 abbr. for Kelvin, 開爾文|开尔文[Kāi ěr wén]

9 abbr. for 開本|开本[kāi běn], book format

1 and

2 furthermore

3 also

4 together with

5 (not) at all

6 simultaneously

7 to combine

8 to join

9 to merge

1 to combine

2 to amalgamate

1 variant: 并 bìng

1 to appear

2 to look

3 form

4 shape