to avoid laughing in a funny situation
在有趣的情况下避免笑出声 (zai youqu de qingkuang xia bianzhi xiao chu sheng)
"It was hard to keep a straight face during his silly speech."
"在他愚蠢的演讲过程中，很难保持严肃的表情。" (Zai ta yuchun de yanjiang guocheng zhong, hen nan baochi yansu de biaoqing.)
a family secret that one wants to keep hidden
to be tough in making a deal or negotiation
to divide an area into sections
to examine something in great depth
to take off or start with great energy or enthusiasm
To do something faster to compensate for wasted time.
