Happy birthday in English is: Happy birthday!

Key vocabulary: birthday

English ［'b?:θde?］

释义：

n. birthday, birthdays; birthdays

[ plural birthdays ]

phrases：

短语：

.

birthday party birthday party; birthday banquet; birthday party; birthday party

Expanded:

adj. (adjective)

1. The basic meaning of "happy" is "happy", which refers to people A pleasant, happy, or contented state of mind in various states (e.g., when things are going well).

2. happy can be used as a determiner or an epithet in a sentence, and must be used as the subject of a person, not in a structure in which it serves as the formal subject.

3. happy can be followed by the verb infinitive, present participle phrase, past participle phrase or that clause to indicate the reason. happy is often followed by about, ? at, in, with, etc. to indicate "to be happy, to be satisfied with".

4. happy can also be used as an object complement in a sentence.