trainer
US /ˈtreɪ.nɚ/
UK /ˈtreɪ.nɚ/

1.
教练, 训练师
a person who teaches or coaches athletes or animals
:
•
The horse's trainer prepared it for the race.
马的驯马师为比赛做好了准备。
•
She works as a personal trainer at the gym.
她在健身房担任私人教练。
2.
运动鞋, 训练鞋
a type of soft sports shoe suitable for general wear
:
•
He put on his new running trainers.
他穿上了他的新跑鞋。
•
My old trainers are worn out.
我的旧运动鞋磨损了。