be supposed to do sth的意思

應該做某事；被期望干某事

be at pains to do sth───努力做某事

be liable to do sth───有可能做某事

be hard put/pushed to do sth───被迫做某事

be supposed to be sth/have done sth───應該做某事

not one to do sth───不做某事的人

the better to do sth───做某事更好

not sb's place to do sth───不是某人做某事的地方

be nothing to do with───與…無關

be short on sth───缺少某物