not know what course to take

Until the Tang Dynasty calligraphy as the last book paradigm and testimonies of traditional establish and complete, the contradiction between body perfect and calligraphers calligraphy self expression leads to the five generation and the early Song Dynasty calligrapher not know what course to take.

直到唐代楷书作为最后的书体典范与法度传统确立并完备，书法的本体圆满与书家的自我表达之间的矛盾直接导致五代以至宋初书家的无所适从。

although seldom work overtime, but not stable flight and often a case, make me not know what course to take.

虽然很少加班，但不稳定的班次和经常急转的情况下，令我无所适从。

The author found at present about the guarantee period and guarantee debt limitation of legal proceedings related problems is the basic way of dogmatics of law, remains from theory to theory, make deep confusion, not know what course to take.

而笔者发现目前关于保证期间与保证债务诉讼时效的相关问题的研究基本是法教义学方式的，仍然是从理论到理论，让人陷入深深的迷惑之中，无所适从。

The captain, who was really alarmed, did not know what course to take.

连长现在非常优虑，他不知道该怎么办了。