to avoid meeting someone's gaze;  to not look someone in the eyes
 to let (someone) swim;  to make (someone) swim;  to make (someone) stumble forward;  to make stagger;  to let (a suspect) roam freely (while monitoring them);  to leave at large
 to strike out;  to start swimming
 to let (someone) swim;  to make (someone) swim;  to make (someone) stumble forward;  to make stagger;  to let (a suspect) roam freely (while monitoring them);  to leave at large
 controlled delivery;  arm's-length surveillance
 breaststroke (swimming);  frog-kick