1 to have a meal

2 to eat

3 to make a living

1 New Year's Eve family dinner

1 to open

2 to show (a ticket)

3 to turn on

4 to switch on

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 to begin

2 beginning

3 to start

4 initial

5 classifier: 个 gè

1 one man can hold the pass against ten thousand enemies (idiom)

1 One key opens one lock.

2 There is a different solution for each problem. (idiom)

1 lit. to offer three kinds of tea and six different dishes

2 to be extremely considerate towards guests (idiom)

1 one can't function properly on an empty stomach (idiom)

2 an empty sack cannot stand upright

1 to speak without thinking (idiom)

2 to blurt sth out