over-enthusiastic       
adjective (also overenthusiastic) uk/ˌəʊ.vər.ɪnˌθjuː.ziˈæs.tɪk/ us/ˌoʊ.vɚ.ɪnˌθuː.ziˈæs.tɪk/
 过分热情的
too enthusiastic
  Her haircut looked as if her mother had been over-enthusiastic with the kitchen scissors.
 One overenthusiastic gamer broke his controller when he threw it up in the air in excitement. 
an over-enthusiastic children's television presenter 过度热情的儿童电视节目主持人 
 - More examples
 - They have some slightly over-enthusiastic fans.
 - He was never overenthusiastic for me to become a dancer.
 - She is clearly not over-enthusiastic at the prospect of spending time with the family.
 - Her overenthusiastic questions were almost rude at times.