to understand or comprehend something difficult
理解或领会困难的事情 (lijie huo linghui kunnan de shiqing)
"It took me a while to wrap my head around the new software."
"我花了一些时间才理解新软件。" (wo hua le yixie shijian cai lijie xin ruanjian)
I agree with your idea or opinion
to blame someone else to save yourself.
it is your turn to make a decision or take action
to emphasize something forcefully
a carefully thought-out strategy
to gain control by causing disagreement among others