timorous
/ˈtɪmərəs/If you describe someone as timorous, you mean that they are frightened and nervous of other people and situations. 胆怯的
adjective [原级] 胆怯的;胆小的;羞怯的
He is a reclusive, timorous creature. 他是个离群索居且胆怯的人。
tim(胆怯) + orous → 胆怯的