(1)以某種方式(手段)(in some way or other;by some means)：I'll finish this work/get there on time～. 我要設(shè)法完成這件工作/準(zhǔn)時(shí)到達(dá)那里。Don't you think we'll have to reach an agreement～? 難道你不認(rèn)為我們得設(shè)法達(dá)成一項(xiàng)協(xié)議嗎?
(2)不知為什么(for some unknown or unspe-cified reason)：That meeting got on my nerves，～. 不知怎么回事，那次會面使我心緒不寧。S～he was afraid of her. 不知為什么他怕她。