英语翻译特别是困难重重,用什么好呢?beset by difficulties,blocked by difficult

英语翻译The path of the righteous man is beset on all sides by t 英语翻译The increased difficulties faced by central authorities 英语翻译Content was blocked because it was not signed by a valid This site is blocked by the SonicWALL Content Filter Service 401 The web site is blocked by administrator 英语翻译The boy（）these difficult problems by himself 英语翻译在什么之前用by的 who by fire,who by water 怎么翻译好呢? by all by myself呢 We may have some difficulties _____ by six o’clock. By no means shall I give in to difficulties 英语翻译还有by the time后面,要用什么时态