الإنجليزي الامريكي، تعلم العامية الأمريكية

Get the ball rolling
To start something.
شَرَعَ فِي القيام بأمرٍ مّا: أَخَذَ فِيهِ، بَدَأَ.
I told my father let's get the ball rolling and ask an installer to come to our house to give us an estimate for a solar powered hot water heater.
Throw in the towel
For someone to give up or quit.
يستسلم؛ يقر بالهزيمة؛ يتنازل عن شيء ما لعدم القدرة على المواصلة.
After failing the bar exam for the third time, he threw in the towel, convinced he was not intelligent enough to be a lawyer.
Raise the bar
To improve something.
يرتَقِي بالمستوى.
The Cameroon government will be obliged to raise the bar or they may lose the hosting rights of the African cup of nations.
To have a thick skin
Someone that does not let things bother them.
لا يتأثر بالنّقد بسهولة؛ لا يؤثر فيه كلام الناس.. لا يُوليه اهتماماً.
Since Melania Trump became the first lady of United States, she has developed a thick skin against critical journalists.