All this will play an important role in sustaining economic development.

They can play around a dog but only in the presence of an adult pack leader.

在一个合格的狗主人面前,他们可以与狗一起玩耍.

A little boy loved to come and play around it every day.

一个小男孩每天都会来围着它玩.

Up to 75 per cent of married men may be playing around...

多达75%的已婚男士可能在外拈花惹草。

You can't play around with children's futures like this.

你不能拿孩子的未来当儿戏.

Science means honest , solid knowledge, you can't just play around.

科学是老老实实的学问, 任何一点调皮都是不行的.

A little boy loved to nete and play around it every day.

一个小男孩每天都喜欢来到树旁玩耍.

Tell the children not to play around the building.

告诉这些孩子别在那栋建筑物附近玩耍.

It was years before I realized he'd been playing around.

多年以后我才察觉到他一直在拈花惹草。

If you play around with fire it will start to break out.

如果你玩火,就会引起火灾.

Don't play around with the vase, you could easily break it.

那花瓶很容易破碎,不要随便拿它玩.

You shouldn't play around with another woman's husband.

你不应该和人家的丈夫斯混.

Don't play around with the stereo.

不要乱调音响.

The old man told the children not to play around the pond.

老汉叫孩子们不要在水塘附近玩耍.

Obviously the children play around in these camps and it is a challenge.

孩子们在帐篷周围玩耍,很显然这是个挑战.

There was no doubt he was serious, it wasn't just playing around...

毫无疑问他很认真，那可不是闹着玩的。

Play around with the ATR Ratchet and see what creative ideas you can come up with.

好好琢磨ATR棘轮策略,或许你会有一些创造性的想法.

Remember that you can play around with the settings even more than explained here.

记住,你的设置甚至超过我这里的.

Stop playing around and eat!...

别逗了，快吃吧！

This is a dangerous file, don't play around with it.

这是一个危险的文件, 不要玩弄它.

Robert was playing around with another woman.

罗伯特和另一个女人乱搞。