I have never engaged in drug trafficking.

我从来没有从事过贩毒。

They were engaged in conversation.

他们正谈得来劲。

The guests engaged in superficial chatter.

客人闲聊起来。

I have a large circle of friends and acquaintances engaged in photography.

我在摄影界交游甚广。

At least 17 different irregular units are engaged in the war.

至少有17个非正规军部队参战。

My family has been engaged in farming for generations.

我家几代都从事农业.

We are engaged in a legal tussle with a large pharmaceutical company.

我们正同一家大制药公司闹法律纠纷.

The soldiers were engaged in hand - to - hand combat with the enemy.

战士们与敌人展开了肉搏.

He does wholesale business, while his brother is engaged in retail business.

他经营批发生意, 他弟弟则经营零售生意.

Two hundred horse were [ was ] engaged in the war.

有 二百 名骑兵卷入了这场战争.

He is engaged in truck farming.

他从事商品蔬菜种植.

He is engaged in scientific research.

他从事科研工作.

They have engaged in trade for many years.

他们经商已多年.

He is engaged in commerce.

他从事商业.

He has engaged in rather shady occupation.

他从事相当不明不白的职业.

They are engaged in import and export.

他们做进出口贸易.

He has been engaged in literary pursuits.

他从事了文学生涯.

The Guyana Defence Force is engaged in flushing out illegal Brazilian miners operating in the country.

圭亚那国防军正采取行动驱逐在本国作业的非法巴西矿工。