1 button or key (on a device)

2 keystroke

3 classifier: 个 gè

4 to press a button

1 to warm up

2 to heat up

3 hot (of weather)

4 heat

5 fervent

1 cordial

2 enthusiastic

3 passion

4 passionate

5 passionately

1 to love ardently

2 to adore

1 hot water

1 to take caution as the key (idiom); to proceed very carefully

1 ice or coals, whether hot or cold goes without saying (idiom); fig. sincerity is not expressed in words

1 frigid irony and scorching satire (idiom); to mock and ridicule

1 hasty men don't get to eat hot tofu (idiom)

2 one just has to be patient

3 haste will ruin everything

1 to carry on intimately with (idiom); ardent relationship (esp. between lovers)

2 billing and cooing