Question

空谷足音 hung1 guk1 juk1 yam1

Accepted Answer

sound of footsteps in an empty valley (成语 saw); a rare occurrence/That's sth you don't often hear! y

Expression	空谷足音
Meaning	sound of footsteps in an empty valley (成语 saw); a rare occurrence/That's sth you don't often hear!
Reading	hung1 guk1 juk1 yam1
Recall	y

空谷足音 Sound Footsteps Empty Valley 成语 Rare Occurrence/That's