To perform ( a role ) weakly or with insufficient expressiveness.是什么意思？

To perform ( a role ) weakly or with insufficient expressiveness.

表演不充分表演 ( 角色 ) 不足或缺乏表现力.

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

perform

vt.& vi. 执行，履行，表演，扮演；vt. 工作，做，进行，完成；vi. 运行，表现，（驯兽）玩把戏；

例句
Any actor will tell you that it is easier to perform than to be themselves...
每一个演员都会告诉你演戏比做自己容易。

role

n. 作用，地位，角色；

例句
...a chance for fathers to play a more active role in childcare...
让父亲们更积极地参与育婴的机会

weakly

adv. 软弱地，无力地，疲软地；

例句
She started to sit up, grimaced, and sank back weakly against the pillow...
她坐了起来，露出痛苦的表情，又有气无力地倒在枕头上。

or

conj. 或，或者，还是，不然，否则，左右；prep. <古、诗>在…之前，比…更早；n. [纹章]黑金色、黑色；

例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

insufficient

adj. 不足的，不够的，绌，亏短，支

例句
There was insufficient evidence to convict him.
没有足够证据给他定罪。

expressiveness

n. 表现，表示；

例句
...the emotional expressiveness of modern dance as exemplified by the work of Martha Graham.
以玛莎·格雷厄姆的作品为代表的现代舞的情感表现力