trail away的音标为[treɪl weɪ]，含义为“逐渐消失；逐渐减弱；落后于人；落在后头”，在用法上，可以表示某物或某人在数量上或距离上逐渐减少或远离。例如：The sound of the waves gradually died away as the boat sailed away. 船开走后，海浪声逐渐消失。

trail away的意思是“逐渐消失，逐渐减弱，慢慢离去”。

用法：Trail away 可以用作不及物动词，表示逐渐消失或减弱。

双语翻译：

1. The sun was slowly setting, casting a golden glow over the landscape and trailing away into the distance.

太阳慢慢落下，给风景投射上一层金色的余晖，然后渐渐消失在远方。

2. The sound of footsteps trailed away as the person walked away.

那个人走开后，脚步声渐渐消失。

常见用法：Trail away 通常用于描述某种声音、气味、景象等逐渐消失的情况。例如，“The sound of the waves gradually trailed away into the distance.”（海浪的声音逐渐消失在远方。）或者“The scent of flowers gradually trailed away as the breeze blew through the garden.”（随着微风吹过花园，花香也逐渐消散。）

希望以上信息对您有所帮助。

trail away 的意思是“逐渐消失，逐渐减弱，慢慢离去”，可以表示某物或某事逐渐变弱、变少或者结束。可以翻译为“走得慢而远，落后于潮流，落伍”等。

常见短语有：

1. trail behind 落后于，追不上

2. trail off 逐渐减弱，慢慢消失

3. trail away from 远离，离开

4. trail out 拖着走，落后于

5. fall behind and trail off 落后并逐渐消失

6. trail off into nothingness 逐渐消失

7. trail off into silence 慢慢变得沉默

8. trail one's footsteps 随从某人

9. trail sb's steps 尾随某人

10. trail along 落后于，跟随在后面

例句：

1. The sound of the waves gradually trailed away into silence. 海浪声逐渐消失在寂静之中。

2. The sun was slowly setting and the light was gradually fading from the sky. 日落时分，天空的光线逐渐减弱。

3. She trailed away after him, feeling lost and alone. 她跟在他身后，感到迷茫和孤独。

4. The sound of the music trailed away into the distance as the party came to a close. 随着晚会结束，音乐声渐渐远去。

5. The hope of finding a solution to the problem has gradually trailed off in my mind. 我心中对解决这个问题的希望逐渐减弱。

用法：通常用作不及物动词短语，表示某物或某事逐渐减弱或结束。可以与介词短语或副词连用，表示方向、位置、时间等。例如：The sound of the raindrops gradually trailed off into the distance. 雨滴的声音渐渐消失在远方。