be reluctant to hang back: show unwillingness to do sth. hesitate
Related Translations:
情愿: 1.(愿意) be willing to 短语和例子两相情愿 by mutual consent; both parties being willing; 心甘情愿的服从 willing obedience; 这只是他自己 一 厢情愿。 it's only his own wishful thinking. 他情愿等待。 he is willing to wait.2.(宁