局面危急to hang by a thread
生命垂危, 不绝如缕
one's life is hanging by a thread
声音细微to linger on faintly
笛声不绝如缕。
The sound of a flute lingers faintly on the air.
汉译英翻译词典收录86165条汉英翻译词条，基本涵盖了全部常用中文字词的英语拼写、翻译、音标、读音、用法、例句等，是英语学习的有利工具。