务必按厂家的用法说明使用。Always follow the manufacturer's instructions.用法说明还算简单易懂。The instructions are reasonably straightforward.我们安下心来讨论英语俚语的用法.We settled down to a quiet discussion of English slang....
They will have to block up the entrance to the tunnel.他们将不得不封闭通往隧道的入口.Powdering a sweaty nose will only block up the pores and make the skin more uncomfortable.往出汗的鼻子上扑粉只会堵塞毛孔，使皮肤更加不舒服。You will have to block up the wheel...
这让我觉得自己软弱无能，蒙人恩惠。It made me feel patronised, in a position of weakness.我期望上帝的恩惠.I hope the grace of God would descend on me.我必须报答她的恩惠.I must repay her for her kindness....