confused
adj.
糊涂的; 迷惑的; 不清楚的; 混乱的; 难懂的;
v.
使糊涂; 使迷惑; (将…)混淆，混同; 使更难于理解; 原型：confuse
例句：
The question is搜趣网 so har搜趣网d, and we're getting confused.
　　
这问题太难，我们感到困惑。

They all seem to be concerned about my security.
Peopwww.souquanme.comle began to be concerned about the air powww.souquanme.comllution here.
I can't understand why anyone would be concerned about open water.
O(∩_∩)O

你说的是be
concerned
about吧
In
this
age
of
globalisation,
china
is
also
apartner-which
is
why
we
should
all
be
concerned
aboutthe
challenges
ahead.