to drop back
[phrase form: drop]
01
后退, 撤回
to take a position in the rear, especially in a military formation, for strategic purposes
例子
In the tactical maneuver, the infantry was ordered to drop back to strengthen the rear guard.
在战术机动中，步兵被命令撤退以加强后卫。
02
后退, 落后
to move or retreat to a position further behind, especially in a group or a line
例子
During the race, the runner started to feel tired and decided to drop back from the leading pack.
在比赛期间，跑步者开始感到疲倦，决定从领先的群体中退后。
