adj.非正式的；不拘形式的
These words are informal. 这些词是非正式用语。
We had an informal meeting. 我们做了非正式的会晤。
An informal work setting helps to build employee enthusiasm and morale. 不拘形式的工作环境，提高了员工的热情与士气。
I meant it to be an informal discussion, but it didn't turn out as I intended (it should). 我本想随便商量一下，结果事与愿违。
n.非正式；不拘礼节
adv.不拘礼节地；非正式地
