Motherhood has both its pros and cons.当妈妈既有好的一面，也有不好的一面。The pros and cons cancel out.正反两种意见抵消.They sat for hours debating the pros and cons of setting up their own firm.他们在一起坐了数小时，讨论自己创办公司的利弊。...
I looked down at my fingers and flexed them stiffly.我僵硬地往下看着我的手指、摆弄着他们.Hans flexed his powerful muscles...汉斯活动了一下他那强健的肌肉。He flexed his long stringy muscles manfully.他孔武有力地弯起膀子,显露出细长条的肌肉.He slowly flexed his muscles and t...