on the line还是on line?

on the line还是on line? on line,in line,in the line on the line是什么意思 is still on the line. 翻译：chai on the line On the line just for put himself on the line? on a line 与 on the same line 英语翻译standing on a line还是standing in a line 是wait in line 还是wait on line hold on line 和 hold the line 的区别 是chat online还是chat on line