to eat only small amounts of food without interest
只吃少量食物而没有兴趣
"He just picked at his dinner and left most of it."
"他只是挑食他晚餐，留下了大部分。"
to reply rudely; to argue with authority
to organize actions to reach a common goal
to stay confident and not let fear or doubt take over
to keep the body healthy and fit
to move about without a fixed purpose or direction
to become very emotional, upset, or excited
