You must outline to the trainer what you want to happen. If you'd like the first day to be casual, the trainer needs to know that.

你必须要给讲师大概描述一下你想如何进行，如果你希望第一天大家能随便一些，一定要提前让讲师知道。

youdao

One group of dogs were rewarded when they used the same method as their trainer, another when they used a different method to the trainer.

这些狗随后被分为两组，其中一组狗如果能用与训练员相同的方法开门将得到奖励，而另外一组如果用和训练员不同的方法开门将会得到奖励。

youdao

If the dog trainer says one plus two, one of the dogs goes and brings the board with a "3" on it to the trainer.

如果驯狗师说1 + 2，其中有只狗手拿写着“3”的木板走过来交给他。

youdao

Robert Shaw says this kind of train-the-trainer program helps meet a growing demand for professionals in information and communication technologies,or ICT.

VOA: special.2011.01.24

When do you feel best as a personal trainer?

作为个人教练，你什么时候感觉最好？

成为教练的理由 - SpeakingMax英语口语达人

The study found that those players would still probably choose a male trainer -- unless the injury made them feel depressed.

VOA: special.2010.07.15

Maccarinelli is a student of trainer Enzo Calzaghe's renowned Valleys fight club made famous by the trainer's son Joe.

BBC: Maccarinelli inspired by Calzaghe

Trainer John McCloskey's term as Derry fitness trainer is also at an end.

BBC: Cassidy tipped to succeed Crozier

If you hired a personal trainer to help you lose weight and you actually got fatter, you'd fire the trainer.

WSJ: Michael Marlow: The Skinny on Anti-Obesity Soda Laws