天哪，美国人这样说英语3-44：don’t try to keep a straight face!放松一下僵硬的脸吧！
晋升
晋升是promote。Promote是动词，其名词形式常与get构成词组出现。
She just got a promotion.她刚刚晋升。
跟笑有关的语句
I couldn’t stop laughing.我笑得停不下来。
We both laughed helplessly.我们两个止不住地大笑。
He laughed his head off.他笑得快断气了。
Did you see his face? I nearly/almost died.你看见他的脸了吗？我差点笑死了。
Don’t try to keep a straight face!不要这么严肃。
Chuckle 轻轻地笑
He burst out laughing.他爆笑了！
