Excuse me. 借光。
Would you move over a tad? 你可以稍微让开一点吗? Don't step on it. 别踩到它。
Gather around. 集合。
Hang on! 抓牢一点儿。 Don't move. 不要动。
Sit up straight. 坐端正。
Sit tight. 好好地坐着。