形容詞 halfhearted:

1. feeling or showing little interest or enthusiasm
   同義詞：half-hearted, tepid, lukewarm

1. A halfhearted attempt at writing a novel.
   并不熱心的試圖寫一部小說

half.heart.ed

adj.（形容詞）
Exhibiting or feeling little interest, enthusiasm, or heart; uninspired:
不熱心的：興趣不大的，熱情或心思不夠的；缺乏創(chuàng)建的：
例句：
a halfhearted attempt at writing a novel.
并不熱心的試圖寫一部小說

【引伸】
half.heart.edly
adv.（副詞）
half.heart.edness
n.（名詞）