“twist one's arm”難道是“扭傷胳膊”？

根據Free Dictionary的解釋，twist one's arms是指說服、強迫或者向某人施加壓力。

比如：

I didn't want see that movie about Mozart, but my roommate twisted my arm.

我本來不想去看那個有關莫扎特的電影的。可是，我室友硬逼著要我去。

My son has been twisting my arm to let him take my car out on a date ever since he got his driver's license.

自從我兒子拿到駕駛執照以來，他一直鬧著要開我的車去約會。

1 up in armsarm在口語中也很常見，來學習一下其他的表達：

竭力反對；進行武裝斗爭

The whole village is up in arms about the proposal to build an airport nearby.

全村強烈反對在附近修建機場的計劃。

2 at arm's length

保持一定距離

I keep trying to get friendly with the girl who sits next to me. But she keeps me at arm's length.

我一直設法和那個坐在我旁邊的女孩友好相處。可是，她老是和我保持一定距離。

3 a shot in the arm

一針強心劑

The Queensland floods are giving a shot in the arm to steel prices.

昆士蘭洪災給鋼鐵價格打了一針強心劑。

4 an arm and a leg

非常昂貴

She saw a beautiful coat but it cost an arm and a leg.

她看到了一件漂亮的上衣，但它的價格昂貴。

（來源：滬江英語）