happy

　　用作状貌词 (adj.)

　　a/the happy medium

　　不偏不倚,折中主意 thing that achieves a satisfactory avoidance of excess; balance between extremes

　　as happy as the day is long〔as a sandboy, as Larry〕

　　万分忻悦 very happy

　　many happy returns (of the day)

　　(用作诞辰的祝词) used as a greeting to sb on his or her birthday