She is my right-hand assistant.

她是我的得力助手。

youdao

I'm her assistant, I hand her the brushes.

他开玩笑说：“我是她的助手，我给她递画笔。

youdao

Our office assistant is not only a green hand, but a (troublemaker).

我们办公室助理不仅仅是个新手，也是个麻烦制造者。

youdao

The second teaching assistant--I see him right there, if you could raise your hand--Santosh Anagol, who is a representative of the United States, although he seems to have connections to India as well.

第二位助教,他就坐在这间教室里,请举起手来,桑托什·阿纳高,是一位来自美国的代表,虽然他看起来也有印度血统

耶鲁公开课 - 金融市场课程节选

The Blues lie fourth in the table, seven points adrift of leaders Manchester United, who have a game in hand, with assistant Ray Wilkins coaching the team on an interim basis.

BBC: Chelsea confirm Hiddink as coach

That alone set Dodd on the road to finding his "job a day" for several weeks and, 54 days in, he's already booked up for the next month for roles including stable hand, fashion assistant and dancer.

FORBES: Magazine Article

Rob Hemsley, a research assistant at the Media Lab, was on hand to demonstrate two of his projects.

ENGADGET: Droplet and StackAR bring physical interface to virtual experiences, communicate through light (hands-on)