He is skiing

滑───slip;雪───snow

It would be foolish to let such an opportunity slip; it's a chance of a lifetime.───坐失这个良机, 那是太傻了,这是一生中难得的机会.

With a slip he fell into the water.───他脚下一跐跌入水中.

Mr Koo is in good company. The prime minister made a similar slip a couple of years back.───库先生的错大人物也犯过。几年前首相就有过类似的疏漏。

We deport aliens who slip across our borders.───我们把偷渡入境的外国人驱逐出境.

We mustn't let him slip through.───我们不能让他蒙混过去.

That dress is too sheer to wear without a slip.───那条连衣裙太透明了,没有衬裙不能穿.

Just slip in a piece of paper.───只要塞进一张纸就行。

She let slip that she had not paid her tax.───她无意中说出她没有交税.