ambiguous
adj
1 having more than one possible meaning 有不止一种意思的; 有歧义的
`Look at those pretty little girls' dresses' is ambiguous, because it is not clear whether the girls or the dresses are `pretty'. '看看那些漂亮的小女孩儿的连衣裙'这句话有歧义, 因为不清楚是'小女孩儿'还是'连衣裙'是'漂亮的'.
2 uncertain in meaning or intention 意向不明的; 暧昧的
an ambiguous smile, glance, gesture, etc 用意含糊的微笑, 一瞥, 手势等.
when they would be capable of providing information about traffic jams and suggesting alternative routes, when they would be used in hospitals to help doctors to diagnose illnesses, when they would relieve office workers and accountants of dull, repetitiv