打得火熱

1. • to be on very good terms with each other

     idiom

2. • to hit it off with sb
3. • to be passionately in love with each other
4. • to carry on intimately with
5. • to be in full swing

     of trading, conflict etc

Character by character

• 打(dǎ)a semantically light, transitive verb that is combined with various grammatical objects to form compound verbs and verb-object phrases with a diverse range of meanings
• 得(de)links a verb to how it is done
• 火(huǒ)surname Huo
• 熱(rè)warm up