back down   (TTS Sound)

The back_down has 2 Senses.

• back up, back off, back down
• 退る, 引き下がる, 後進, 後退, 後退り, 後退る, 退く, 後ずさり, 引下がる, 下る, 後じさり, 引下る, 下がる
• move backwards from a certain position; "The bully had to back down"
• ある位置から後方に動く

• pull out, chicken out, back off, bow out, back down
• 退出, チキる
• remove oneself from an obligation; "He bowed out when he heard how much work was involved"
• 義務から除かれる