请问 be expected to 在什么时候表示 “被期望..."而什么时候表示 “有望...",有什么判别的诀窍吗？

请问 be expected to 在什么时候表示 “被期望..."而什么时候表示 “有望...",有什么判别的诀窍吗？

be expected of expected be expected to do什么意思？麻烦举例， 谢谢 be expected to do sth 都有哪些意思？ 这句话里的 could be expected 是什么意思啊？ Should a woman be expected to do all the house work while she is working Loss of life was expected to be catastrophic from the collapse of the giant I was disappointed with the film. I had expected ___ to be much better. I was disappointed with the film.I had expected it to be much better. Should the observation turn out to be as expected,the scientist has added confidence .