inhibited
adj
(a) (of people) unable to relax or express one's feelings in a natural and spontaneous way (指人)拘谨的, 不能自然表达感情的
She's too inhibited to laugh at jokes about sex. 她很拘谨, 听到性爱笑话也不笑.
(b) (of behaviour) not relaxed or spontaneous (指举止)不轻松的, 不自然的
a nervous inhibited laugh 紧张而矜持的笑.
What do you want to do next September? Do you have any plans?
你今年9月打算干什么?你有什么计划吗?
Of course he is. He's very successful. He's made lots of records. They broadcast a programme of his music last month on the radio. Why don't you come on Saturday? I think you'd enjoy it.