形容詞 mournful:

1. expressing sorrow
   同義詞：plaintive
2. filled with or evoking sadness
   同義詞：doleful

1. A slow, mournful musical composition.
   莊重悲哀的樂曲節(jié)奏緩慢，莊重悲哀的音樂作品
2. Affected by or full of woe; mournful.
   充滿悲哀的被痛苦感染或充滿悲哀的; 凄慘的
3. He took a mournful view on human affairs.
   他對人世持悲觀的態(tài)度。
4. He looks mournful.
   他看上去神色悲哀。

mourn.ful

adj.（形容詞）
Feeling or expressing sorrow or grief; sorrowful.
悲傷的：感到或表現(xiàn)出悲痛的；傷心的
Causing or suggesting sadness or melancholy:
引起或使人悲傷或者憂郁的：
例句：
the mournful sound of a train whistle.
火車低郁的汽笛聲

【引伸】
mourn.fully
adv.（副詞）
mourn.fulness
n.（名詞）